Transcript for Latest details on deadly Manchester attack

deadly terror attack at an Ariana grande concert in England. ISIS claimed spoptsz and put/a statement saying one of the soldiers of the caliphate managed to place explosives among a gathering of crusaders. Their word for Christians. 22 people have been killed. More than 50 others injured. The glass happened at the end of the concert when many were leaving the arena. And police believe this is the work of a suicide bomber and sadly so many of the victims were young fans of the pop star and Ariana herself saying overnight she's, quote, broken and so, so sorry. Amy flew through the night to be on the scene in Manchester. She's there this morning. Good morning, Amy. Reporter: Hey, good morning to you, George. This is Britain's deadliest terror attack in 17 years and police have not identified yet the suicide bomber but ISIS as you mentioned has claimed responsibility. Authorities made an arrest just a few hours ago and authorities are now combing through the arena for more evidence this morning as hundreds of parents still frantically try and find their missing children. Oh, my god. Reporter: What should have been a joyous night for 20,000 music fans ended in terror. ??? Reporter: At 10:30 local time Ariana grande just finished her concert when an explosion rocked Manchester arena. The crowd made up of mostly teenagers and their parents desperately clambered towards the exits. Everyone was getting up to leave and all of a sudden there was a big bang outoutside mayhem as emergency person rushed in to help, 22 dead, 59 injured. Blood and shrapnel covering hundreds. There was a decomposed body to my right. All I could see was flesh like as if they had blown themselves up and -- Blown apart? Yeah. Reporter: Police confirming a suicide bomber died after detonating an improvised explosive device and they're working to identify the bomber. Parents still desperately searching for their missing loved ones. Please, please somebody must have seen her at some point, just let me know you've seen her. Reporter: And this morning authorities identifying the first victim of last night's attack, we know she was a college student, her name, Georgina Callander. She was just 18 years old. So many difficult moments and days ahead for authorities there on the scene, guys. Just the beginning, okay, thanks very much.

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