In roughly 90 minutes Saturday night, four men were stabbed in incidents in Ashmont and on Columbia Road.

The homicide unit was summoned to Columbia Road shortly before 11 p.m., after two men were stabbed in a fight in the middle of the street outside 180 Columbia Rd., near Geneva Avenue. One of the victims had potentially life threatening injuries.

Around 9:30 p.m. a man was stabbed several times in the stomach on Dorchester Avenue at Dracut Street near the Ashmont MBTA station. He was rushed to Boston Medical Center. The suspects were described as two or three Asian males.

Around 10:30 p.m., a man was stabbed in front of the Ashmont MBTA station. Police were looking for three black males.