A 20-year-old man Dorchester man was shot Tuesday night in Milton on Blue Hills Parkway, police said.

State Police said the victim remains at Boston Medical Center and is expected to survive.

The shooting likely occurred in the area of 100 Blue Hills Parkway State Police said, and the victim made his way on foot to the Mattapan MBTA station after being shot.

"The investigation suggests that the victim was shot after he and the group of young men with him got into an altercation with another group of men," State Police said in a statement. "After the shooting, the assailant group fled on foot toward Brook Road in Milton."

Officers responded to the area of 500 River St. -- just north of the Neponset River and near the Mattapan T station -- at about 9:50 p.m. where they found the victim with non life-threatening injuries from gunshot wounds, Boston police said.

An investigation is ongoing.