Philip Sherriff, 37, from Preston, Lancashire, died yesterday from a stab wound to the neck after remaining in critical condition in hospital for several days. He was stabbed with a broken bottle at the event at Pulse nightclub in Southwark on 4 April.

“He was a perfect husband, son and father to our daughter, aged eight, and son, aged five,” his wife said in a statement.
“His death is completely and utterly devastating.”

Ashley Charles, 25, of Leicester, has been charged with attempted murder.

Yesterday, Jessie J, who performed at the gig, tweeted: “All I can say is my thoughts, love and respects are with the family and children of the man who attended the gig last week who sadly lost his life… so sad.”

BlackBerry released its own message, saying: “We are deeply saddened to hear our colleague has died as a result of the attack on Tuesday 3rd April.

“Our thoughts are with his family and those close to him.”