Two teenagers, including a 14-year-old boy, were stabbed early Wednesday afternoon at Shawmut Station in a fight that may have originated on a Red Line car, Transit Police said.
The 14-year-old boy and a 19-year-old man were wounded, said Lieutenant Richard Sullivan. They were taken to Boston Medical Center and Brigham and Women’s Hospital with injuries not believed to be life-threatening.
Officers were not sure late Wednesday what prompted the altercation, who was involved, and where exactly it took place. No arrests had been made.
Police first responded to a call for the stabbing at 12:42 p.m., Sullivan said.
“It appears the incident originated on a Red Line train, and as the train stopped at Shawmut Station to allow passengers to board and exit, it spilled onto the Shawmut platform,” he said.
A preliminary investigation suggested that both stabbings occurred on the southbound platform.
By the time detectives arrived, the suspects had fled. Sullivan said investigators later located a person suffering from a stab wound near Leslie Street and another around Dorchester and Welles avenues.
Witnesses told The Globe they saw three teenagers attack a boy while he was with his grandmother at the edge of the platform.
Eliana Greenberg, 23, said she initially thought the boys were trying to push each other onto the tracks. “And then everyone was screaming,” she said.
Three teenagers ran out of the station, Greenberg said. The boy who had been stabbed grabbed a knife and ran after them.
Greenberg said that she approached the boy’s grandmother, who called after her grandson and followed him out of the station.
“She was very upset, and she had a wounded knee,” Greenberg said. The grandmother was not bleeding, she said.
Another witness, who asked that her name not be used, shared a similar account. She said the attack happened so quickly it was difficult to see who was injured and how many people were involved.
“They jumped a kid that was with his grandmother, but he defended himself,” the woman said. She said she saw what looked like a hunting knife with a short blade, and she heard one teenager laughing and shouting taunts. She talked to the grandmother, whom she described as shaken up but not seriously hurt.
Police cordoned off part of the stairway where tile was stained with drops of blood. The trail continued outside to the station entrance.
At the far end of the outbound platform, an officer stood next to two black baseball caps that appeared to be evidence.
Southbound trains were delayed between Shawmut and Ashmont stations due to the police activity, according to the MBTA’s website. Service was back to normal by midafternoon.Globe correspondent Catalina Gaitan contributed to this report. Zachary T. Sampson can be reached at email@example.com.