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UPDATE: Tuesday, May 23 at 10:45 a.m. EST

Last night, Ariana Grande's manager, Scooter Braun, shared this heartfelt message for the fans and families who lost loved ones during the “senseless attack.”

UPDATE: Tuesday, May 23 at 10:15 a.m. EST

The Telegraph has confirmed that 8-year-old Saffie-Rose Roussos, who was separated from her mother and sister during the Manchester attack, has died from her injuries.

In addition, the Associated Press shared an update saying the US has not yet verified that the Islamic State group was responsible for the Manchester attack last night.

UPDATE: Tuesday, May 23 at 8:58 a.m. EST

According to a tweet from the Associated Press, it has been confirmed that 12 children under the age of 16 were among the 59 injured during the concert attack.

In addition, BuzzFeed has reported that the first identified victim of the attack is Georgina Callander, an 18-year-old student.

She had been a student at Runshaw College in Leyland, and the university released a statement expressing their sympathies: “Our deepest sympathies, thoughts and prayers go out to all of Georgina's family, friends, and all of those affected by this loss.”

UPDATE: Tuesday, May 23 at 8:06 a.m. EST

According to a tweet from the Associated Press, a member the Islamic State group carried out the attack.

Ariana Grande tweeted from her account last night:

In addition, it's reported Grande has suspended her world tour.

The Greater Manchester Police also released a statement at 2:36 a.m. on Tuesday, May 23. In said statement, the number of confirmed dead increased from 19 to 22 with 59 others injured. GM police also confirm that the attacker died in the arena and are working to determine if it was a solo act.

UPDATE: Monday, May 22 at 10:04 p.m. EST

The New York Times reports the attack appeared to involve the use of a nail bomb, according to witnesses.

UPDATE: Monday, May 22 at 8:54 p.m. EST

Greater Manchester Police carried out a precautionary controlled explosion on a suspicious item, which they later confirmed was abandoned clothing, not an undetonated second device.

And, according to Reuters, a suicide bomber is suspected in the explosion:

UPDATE: Monday, May 22 at 8:45 p.m. EST

NBC News now reports that the Manchester Arena explosion took place in a public area outside of the venue itself. Pop star Ariana Grande was performing at the 21,000 capacity, indoor Manchester Arena on Monday night.

Greater Manchester Police tweeted about their carrying out a controlled explosion, seemingly of an undetonated device found at the scene.

More footage has been released from the scene. Watch the below video from ABC News.

UPDATE: Monday, May 22 at 8:15 p.m. EST

The latest statement from local police on the reported Manchester Arena explosion indicates 19 people are confirmed dead and around 50 injured.

A rep for Ariana Grande confirmed the pop singer is safe, saying, “Ariana is OK. We are further investigating what happened.” (via Entertainment Tonight)

BBC correspondent Daniel Sandford tweeted that the explosion is being treated as a “possible terrorist incident.”

NBC News is also pointing to terrorist activity, reporting about a possible “backpack bomb” being used in the explosion.

Accounts from the area describe a harrowing scene after the explosion, with CNN quoting one witness as saying there was “blood everywhere.”

Facebook has activated its “Safety Check” feature for those in the area of Manchester Arena during the explosion. Go here to access it. (via WPVI-TV)

Read more: The 1975’s Matty Healy on the Manchester attack: “I’m f*cking pissed off”

ORIGINAL POST: Monday, May 22 at 7:30 p.m. EST

According to BBC, police are responding to reports of an explosion at an Ariana Grande concert at Manchester Arena in England.

The Greater Manchester Police have released a statement that there are a “number of confirmed fatalities” and others have been injured. Police have advised to avoid the area.

According to NBC News, law enforcement officials say at least 20 people died with hundreds injured. It’s also reported there were possibly two explosions.

Witnesses have reported hearing a “huge bang” following the concert.

The following video appears to show the moments following the explosion:

This story is developing. Check back for updates.

Read more: Musicians react to tragedy at Manchester concert