The general manager of Manchester Arena has warned of the enhanced security demands facing the live industry as the venue prepares to open its doors to the public for the first time since the May 22 terror attack.

The 21,000-capacity arena reopens on Saturday with We Are Manchester, a special benefit concert headlined by Noel Gallagher.

“It has been a traumatic three months, but we’re over the brow of the hill now and we’re desperate to get the building open,” ...