Metrolink services were significantly delayed after a “woman stuck her foot between a tram and the platform”.
There is currently no connection between Queens Road and Whitefield after the incident at Crumpsall station.
In a tweet, Metrolink said: “Due to a medical emergency, we have no connections between Queens Road and Whitefield.
“The services operate in Bury – Whitefield, Queens Road – Altrincham and Queens Road – Piccadilly.
“Updates will follow.”
Passengers are currently advised to use their tickets in bus transport.
An eyewitness said a “woman’s foot was caught between a tram and the platform” at Crumpsall station.
The eyewitness said that emergency services are on site tonight.