An MBTA Green Line trolley parked at the Park Street station collided with another trolley behind it Wednesday evening, NewsCenter 5 has learned. The incident happened just before 7:30 p.m. Wednesday.

No injuries were reported after a Green Line trolley rolled backward and “hitched” onto another trolley Wednesday, according to the MBTA.

Riders were evacuated from two trolleys that rolled into each other on Wednesday night, according to officials.