Yahoo News 
Manchester Arena explosion: What we know so far
A horrifying terrorist attack took place last night at an Ariana Grande concert at Manchester Arena. Here’s what we know so far:
22 people have been killed and more than 100 injured in an explosion at the 21,000-capacity arena on Monday night
The suicide attacker has been named as Salman Abedi, US officials have confirmed
59 people were taken to hospital, 12 of whom are under the age of 16
ISIS has claimed responsibility for the atrocity
Eight-year-old Saffie Roussos, 18-year-old Georgina Callander and 26-year-old John Atkinson have been confirmed as three of the victims
Police say the incident is being treated as a terrorist attack. They say a lone male suicide bomber detonated an “improvised explosive device“
Police know the identity of the attacker, but are not currently releasing it
A 23-year-old man has since been arrested in connection with the attack
British Transport police confirmed the explosion happened in the foyer of Manchester Arena at about 10:30pm
The wounded have been taken to eight hospitals around Greater Manchester
It is the worst terrorist attack in the UK since 56 people were killed in the 7/7 London bombings in 2005
The Prime Minister has condemned the “appalling terrorist attack”. She chaired a meeting of the Government’s emergency Cobra committee today
All national General Election campaigning has been suspended
A controlled explosion was carried out by police at the Cathedral Gardens area near Manchester Arena shortly after 1.30am. However, police say the item turned out to be abandoned clothing
Mancunians from taxi drivers to home owners stepped in to help victims of the blast
Social media users are using the hashtag #ManchesterMissing to help trace missing concert-goers in the wake of the attack.
Manchester Police have set up an emergency number – 0161 856 9400 – for those who are concerned about relatives or loved ones who may have been in the area.
Facebook has activated its Safety Check function, which allows users who were in the area to tell family that they are safe.
