An all-star concert to honour those affected by the Manchester terror attack has been targeted by ticket touts, who posed as victims to make more than 10,000 false claims for free seats as real survivors feared they had missed out.

The One Love Manchester concert, headlined by Ariana Grande on Sunday night, has been swamped with “unscrupulous” requests for the free tickets offered to those who fled for their lives from the original show.

Dozens of genuine fans feared they had missed out on their promised tickets, as organisers were unable to verify their details under the weight of applications.