Musicians and celebrities from around the world expressed their condolences to Grande and the concertgoers inside Manchester Arena.
“My prayers go out to ppl of Manchester… Had special times there from youth & beyond,” Cher tweeted.
“Praying for everyone at @ArianaGrande’s show,” Katy Perry wrote on Twitter.
“Tearing up imagining innocent concert goers losing their lives.. praying for everyone and all #arianators,” Demi Lovato tweeted.
The Greater Manchester Police first shared news of the reported incident at approximately 11 p.m. local time, before updating that emergency personnel were responding to the “serious incident” and urging people to stay away from the area. Then, at 11:45 p.m. local time, they released a statement announcing, “There are a number of confirmed fatalities and others injured” after a reported explosion.
This article originally appeared on PEOPLE