Police arrested a knifeman after a scuffle on a busy tram.
Officers were called to the Altrincham Metrolink stop after reports of a man with a knife.
They located the suspect on board a tram and said "following a brief struggle" he was arrested.
The man, whose age has not been disclosed, was held on suspicion of possession of an offensive weapon.
There were a number of people on the tram at the time, and although not divulging any further details, police moved to reassure the public it was an 'isolated incident.'
GMP's Trafford South division said on their Facebook page: "At 1540 hours this afternoon, Trafford South Police were called to Altrincham Metrolink Station after reports of a male with a knife. Patrols arrived within 2 minutes.
"On arrival, officers located a male onboard a tram. Following a brief struggle, an adult Male was arrested on suspicion of possessing an offensive weapon.
"During the incident there was a number of commuters present. Please be assured this was an isolated incident, the weapon has been recovered & a male held in custody."