MANCHESTER, England — The Latest on the blast at an Ariana Grande concert in northern England (all times local):

9:00 a.m.

Social media users are helping the desperate hunt for people missing in the Manchester concert bombing by circulating names and photos with the MissingInManchester hashtag.

The city’s regional government and its mayor, Andy Burnham, were among scores of Twitter users that circulated the hashtag to help people seeking missing family members and friends.

Those named as missing included Olivia Campbell. Her mother, Charlotte Campbell, said the 15-year-old attended the Ariana Grande concert with a friend from school who has since been found and is being treated in a hospital. But Olivia is missing, having last called home just before the concert, the mother told ITV television’s Good Morning Britain breakfast show.

She says: “I’ve called the hospitals. I’ve called all the places, the hotels where people said that children have been taken and I’ve called the police. If anyone sees Olivia, lend her your phone, she knows my number.”

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8:45 a.m.

A Czech woman who was at the Ariana Grande concert in Manchester says that “there was almost no security check, rather zero. They let us get in without any check if we have anything with us.”

Nikola Trochtova told the Czech public radio that “the only thing they were interested in was if we had any bottles of water with us. They almost didn’t check our bags, they didn’t take a look.”

She says she was leaving the venue when she heard an explosion at the entrance, but learned the details only after returning to her hotel.

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8:35 a.m.

German Chancellor Angela Merkel says it’s “incomprehensible” that someone would target a pop concert to kill and wound people.

Merkel said in a statement Tuesday that the attack at an Ariana Grande concert in Manchester “will only strengthen our determination to keep acting together with our British friends against those who plan and carry out such inhuman deeds.”

She added: “I assure people in Britain that Germany stands beside you.”

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8:20 a.m.

European Commission President Jean-Claude Juncker says Europe is mourning with Britain after a bomb killed 22 people at a concert in Manchester.

Juncker said in a statement Tuesday that “today we mourn with you. Tomorrow we will work side by side with you to fight back against those who seek to destroy our way of life.”

He adds: “It breaks my heart to think that, once again, terrorism has sought to instil fear where there should be joy, to sow division where young people and families should be coming together in celebration.”

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8:10 a.m.

NATO’s chief is expressing solidarity with Britain after a bomb attack in Manchester killed 22 people, just as leaders of the military alliance prepare to meet to discuss counter-terrorism.

Secretary-General Jens Stoltenberg said in a tweet Tuesday that “NATO stands with the U.K. in the fight against terrorism.” He also said his thoughts were with all those affect by the “barbaric” attack.

President Donald Trump and other NATO leaders at to gather in Brussels on Thursday to discuss ways the military alliance can do more against terrorism.

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8:00 a.m.

The German government is offering condolences to Britain after the deadly explosion at an Ariana Grande concert in Manchester.

Foreign Minister Sigmar Gabriel wrote Tuesday on Twitter: “Terrible news from Manchester! Our thoughts are now with our British friends. United we stand.”

Chancellor Angela Merkel’s spokesman, Steffen Seibert, tweeted: “Our thoughts (and) prayers are with the people in #Manchester affected by the blast. We mourn for the dead (and) hope the injured can recover fully.”

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7:45 a.m.

France’s government is offering sympathy and solidarity following the bombing at an Ariana Grande concert in Manchester which killed 22 people.

In a statement, French President Emmanuel Macron said France would continue to work with Britain to fight terrorism. Macron said he would speak with British Prime Minister Theresa May to stay abreast of developments.

Paris Mayor Anne Hidalgo also expressed solidarity.

Paris has grim experience with the type of attack that struck Britain, after multiple Islamic State attackers struck a concert hall, the national stadium and cafes and bars on Nov. 13, 2015, killing 130 people.

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7:30 a.m.

The White House says President Donald Trump is being provided updates on the Manchester concert explosion by his national security team.

Trump is in the midst of his first overseas trip as president. He’s meeting Tuesday in Bethlehem with Palestinian Authority President Mahmoud Abbas and speaking at Yad Vashem, the Holocaust memorial in Jerusalem.

His spokesman Sean Spicer provided the update on Twitter.

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7:20 a.m.

Manchester police say an apparent suicide bomber set off an improvised explosive device at the end of an Ariana Grande concert.

Police raised the death toll to 22 early Tuesday, and dozens more have been reported injured.

Chief Constable Ian Hopkins says forensic investigations are continuing to determine if the attacker had accomplices. He provided no information about the individual who detonated the device.

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7:10 a.m.

Greater Manchester Police have raised the death toll in a blast at an Ariana Grande concert to 22.

The force’s chief constable, Ian Hopkins, said Tuesday they believe one person carried out the attack. Police are trying to determine if the person acted alone or had support in the Monday night blast.

Police say some 400 officers were deployed overnight to help with the investigation.

Officials say children are among the victims.

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7 a.m.

Police say they are treating an explosion at an Ariana Grande concert in northern England as terrorism. Greater Manchester Police says the blast killed at least 19 people, and the ambulance service says 59 people have been taken to hospitals.

Greater Manchester Police Chief Constable Ian Hopkins says police are treating the blast as an act of terrorism “until we know otherwise.”

There was panic after the explosion, which struck around 10:30 p.m. (2130 GMT) Monday night as Grande was ending the concert.

Grande, who was not injured, tweeted hours later: “Broken. From the bottom of my heart, I am so so sorry. I don’t have words.”

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6 a.m.

Labour Party leader Jeremy Corbyn says he and Prime Minister Theresa May have agreed to suspend election campaigning until further notice.

Corbyn said Tuesday he is “horrified” by the events in Manchester and that his thoughts are with the families and friends of those who have died and been injured.

Campaign events ahead of the June 8 general election will now be put on hold as Britain comes to grips with the incident and its aftermath.

Corbyn says he had spoken with May after the explosion.

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5:45 a.m.

Australia’s prime minister has told the Australian Parliament that the deadly explosion at Manchester Arena appeared to be a “brutal attack on young people everywhere.”

Prime Minister Malcolm Turnbull said the British were treating the blast that killed at least 19 people and injured more than 50 as a terrorist attack, although its cause was unknown.

Turnbull says: “This incident, this attack, is especially vile, especially criminal, especially horrific because it appears to have been deliberately directed at teenagers.”

In Tokyo, a spokesman for the Japanese government condemned the attack.

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4 a.m.

Campaigning has been suspended in Britain’s national election after a deadly explosion at Manchester Arena.

Prime Minister Theresa May cancelled campaign events Tuesday after the blast, which killed at least 19 people and injured more than 50. She is due to chair a meeting of the government’s emergency committee, COBRA, later.

Liberal Democrat leader Tim Farron cancelled a campaign tour to Gibraltar after the explosion.

Britons are due to go to the polls on June 8.

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3:45 a.m.

A number of Manchester taxi services offered free rides to people stranded by the incident.

The taxi companies posted messages about the free rides on Twitter after an explosion at Manchester Arena after an Ariana Grande concert Monday night. The blast killed 19 people and injured dozens more.

The service could also be used by people trying to get to local hospitals to look for loved ones.

In addition some city residents opened their homes to provide overnight lodging for people who were stranded by the shutdown in some train services because of the incident.

City officials said the true spirit of Manchester was surfacing in the hours after the incident.

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3:35 a.m.

The Department of Homeland Security says there is no evidence of credible threats against music venues in the U.S., as England reels from an explosion at an Ariana Grande concert late Monday.

The department says the U.S. public may experience increased security in and around public places and events.

DHS says it is closely monitoring the situation at Manchester Arena and working with U.K. officials to obtain additional information about the cause of the explosion.

The government is urging U.S. citizens in Manchester to heed directions from local authorities and be vigilant about their security.

The explosion killed at least 19 people and injured dozens. Police say they are treating as a terrorist attack.

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3:20 a.m.

Frantic loved ones of young people missing after an explosion at an Ariana Grande concert have taken to Twitter and Instagram with their photos and pleas for help.

Many Manchester residents responded early Tuesday with offers of shelter and details on locations where displaced concert-goers had been taken in.

The 23-year-old Grande, true to her youthful fan base, is a social media phenomenon with 105 million followers on Instagram and 45.6 million followers on Twitter. Her fans, proud “Arianators,” were among those who took to Twitter with prayers and tears.

Fellow stars offered condolences as well.

Taylor Swift tweeted, “My thoughts, prayers and tears for all those affected by the Manchester tragedy tonight. I’m sending all my love.”

Ellie Goulding, Cher (fresh from a big night at the Billboard Awards) and Katy Perry were among others to tweet their support.

The Associated Press

Filed under: ariana-grande, Manchester Arena