A Man Was Stabbed While At Jessie J Concert A man is reportedly in critical condition because of a stabbing victim while attending a party Blackberry BBM. The event itself was held in the Vaults Bankside, Central London on Tuesday (3/4) yesterday. Reporting from Digital Spy, the man reportedly suffered stab wounds in the neck. The tool used is a broken bottle which is certainly easy to come by in the location of the party. Eyewitnesses said that the feud began to heat at about 23:40, shortly after Jessie J perform at a party held by the Blackberry. In the end, the fateful incident was inevitable.