Update 9am:
A suicide bomber has killed 22 people, including children, at an Ariana Grande concert in Manchester.
59 people were also injured in the incident.
Children and young people were killed in the attack that is being described by police as a 'terrorist incident'.
General Election campaigning in the U.K. has been suspended.
World leaders have been reacting to the news.
We strongly condemn the heinous attack in Manchester-an attack against us all. We stand by the relatives of victims and the people of the UK
— Alexis Tsipras (@tsipras_eu) May 23, 2017
Chancellor #Merkel on the attack in #Manchester: pic.twitter.com/WYEFp319dZ
— Steffen Seibert (@RegSprecher) May 23, 2017
India stands by Government and people of UK in this hour of distress #PresidentMukherjee
— President of India (@RashtrapatiBhvn) May 23, 2017
Late last night, Ariana Grande and her manager tweeted their dismay:
broken.
from the bottom of my heart, i am so so sorry. i don't have words.— Ariana Grande (@ArianaGrande) May 23, 2017
— Scooter Braun (@scooterbraun) May 23, 2017
UPDATE 01:15AM
Latest statement on incident at Manchester Arena pic.twitter.com/BEpLOan3dY
— G M Police (@gmpolice) May 23, 2017
Music Superstars have being paying tributes on social media.
Absolutely Horrendous what happened in Manchester tonight. My thoughts are with the great people of Manchester and also Ari and her team xx
— Niall Horan (@NiallOfficial) May 23, 2017
Praying for everyone at @ArianaGrande's show
— KATY PERRY (@katyperry) May 22, 2017
I'm heartbroken over what happened in Manchester tonight.
Sending love to everyone involved. H— Harry Styles. (@Harry_Styles) May 23, 2017
People were leaving a sell-out Ariana Grande concert at 10:40pm, which had finished just 10 minutes earlier, when the ‘loud bangs’ were heard.
Twitter users reported that ‘everyone ran out screaming’.
Greater Manchester Police tweeted: ‘Emergency services are currently responding to reports of an explosion at Manchester Arena.
‘There are a number of confirmed fatalities and others injured. Please AVOID the area as first responders work tirelessly at the scene.’
We will keep you informed as we receive updates.
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Dave is live on air on The Hub.
Police statement on incident at Manchester Arena pic.twitter.com/gaKASukx9a
— G M Police (@gmpolice) May 22, 2017
EXPLOSION AT MANCHESTER ARENA AND EVERYONE RAN OUT SO SCARY? pic.twitter.com/pJbUBoELtE
— ♡♡ (@hannawwh) May 22, 2017