Ariana Grande Concerts Canceled at Least Through June 5

Ariana Grande's concerts have been canceled until June 5 and maybe longer, until her team figures out how to address new security concerns.

Grande's management confirms the story TMZ broke, telling us, "The Dangerous Woman tour with Ariana Grande has been suspended until we can further assess the situation and pay our proper respects to those lost."

Ariana's team has cancelled the London O2 shows this week and all shows through her scheduled Switzerland concert a week from Monday.

As we reported, Ariana is devastated by the terrorist bombing after her concert. She's currently with her mom in Boca Raton.

Here is the full statement from Ariana's management: "Due to the tragic events in Manchester the Dangerous Woman tour with Ariana Grande has been suspended until we can further assess the situation and pay our proper respects to those lost."

"The London O2 shows this week have been cancelled as well as all shows thru June 5 in Switzerland. We ask at this time that we all continue to support the city of Manchester and all those families affected by this cowardice and senseless act of violence."