Via CBS News...
Joseph Carozza, a representative from Ariana Grande's U.S. record label, said the singer is OK following reports of an explosion at her concert in Manchester, England.
Police say 19 people are confirmed dead and around 50 others are injured following reports of a blast Monday night at Manchester Arena.
It is being treated as a terrorist incident until police know otherwise, Greater Manchester Police said in a statement.
Carozza says they are investigating what happened.
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