Concert goers react after fleeing the Manchester Arena in northern England where U.S. singer Ariana Grande had been performing in Manchester, Britain, May 22, 2017. REUTERS/Jon Super - RTX373FZShow moreShow less
Armed police officers stand outside the Manchester Arena, where U.S. singer Ariana Grande had been performing in Manchester, northern England, Britain May 22, 2017. REUTERS/Jon Super - RTX373N2Show moreShow less
A police van and an ambulance are seen outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain May 22, 2017. REUTERS/Jon Super TPX IMAGES OF THE DAY - RTX373GWShow moreShow less
Police officers are seen outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 22, 2017. Show moreShow less
An ambulance drives away from the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 23, 2017. Show moreShow less
Armed police officers stand near the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, in northern England, Britain May 23, 2017. REUTERS/Andrew Yates - RTX373U6Show moreShow less
People sit by the side of the road next to a police cordon outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 23, 2017. REUTERS/Andrew Yates TPX IMAGES OF THE DAY - RTX373J9Show moreShow less
Concert goers react after fleeing the Manchester Arena in northern England where U.S. singer Ariana Grande had been performing in Manchester, Britain, May 22, 2017. REUTERS/Jon Super - RTX373FYShow moreShow less
Two women wrapped in thermal blankets stand near the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 23, 2017. Show moreShow less
Armed police officers stand next to a police cordon outside the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, northern England, Britain, May 23, 2017. REUTERS/Andrew Yates TPX IMAGES OF THE DAY - RTX373KIShow moreShow less
Armed police officers stand near the Manchester Arena, where U.S. singer Ariana Grande had been performing, in Manchester, in northern England, Britain May 23, 2017. REUTERS/Andrew Yates Show moreShow less
Manchester Arena explosion: Terror attack at Ariana Grande concert
At least 19 people have been killed and 59 injured after a suspected terrorist attack at the Manchester Arena.