Police are warning people not to approach a blue suitcase Salman Abedi was seen carrying days before the deadly Manchester bombing.

The public are being asked to contact police immediately if they see the piece of luggage.

Greater Manchester Police (GMP) have released an image of the suicide bomber with the hip-high case in the city centre on May 22.

Detective Chief Superintendent Russ Jackson, from the North West Counter Terrorism Unit, said: "We believe Abedi was in possession of this case in the days before the attack at Manchester Arena on Monday 22 May.

"I want to stress that this is a different item than the one he used in the attack."

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He added: "We have no reason to believe the case and its contents contain anything dangerous, but would ask people to be cautious."

Mr Jackson continued: "The public should not approach the case if they see it but contact police immediately on 999."

As well as the CCTV image of Abedi, detectives have released a picture of a replica case, as they continue to piece together the terrorist's movements in the lead-up to the attack.

It is known that the 22-year-old visited the Wilmslow Road area of Manchester and was also seen in Manchester city centre with the wheeled case.

GMP are urging anyone with details about the suitcase to get in touch and let them know.