Shortly before 10:30 p.m. on Blue Hill Avenue at Maywood Street.

WFXT reports a a person was stabbed in Andrew Square. Jim reports it was shortly before 9:30 p.m. The homicide unit was brought in due to the severity of the victim's injuries.

Shortly after midnight, two people got themselves into the Boston Medical Center emergency room, one shot, one stabbed - just as victims were arriving by ambulance from the quintuple shooting at the Franklin Field development. They told police it happened somewhere on Massachusetts Avenue in Newmarket Square.

Transit Police report arresting a Jamaica Plain man on charges he took out a knife on the Orange Line and threatened another rider with it around 3:40 p.m. on Saturday near Tufts Medical Center.

Demond Perry, 44, was arrested yesterday at the Chinatown station on a charge of assault with a dangerous weapon, police say.

Innocent, etc.

At Hancock and Trull streets, around 8:45 p.m, in a knife fight. Police found one victim on the third floor of a nearby house, and a second outside - and then a car drove up to a local emergency room with two more stabbing victims.

At Meridian and Havre streets, around 10:30 p.m.

Boston Police are trying to figure out where a man who wound up on an Orange Line platform at Downtown Crossing bleeding from a fresh stab wound around 8:20 p.m. was actually stabbed. Read more.

Boston Police are looking for a suspect in a stabbing that left a man with a two-foot long gash in his back, some of his internal organs exposed, at 54 Gardner St. in Allston around 4:30 p.m. on April 8. Read more.

Update: Two arrested.

Transit Police are looking for two guys for a stabbing at the Maverick Square T stop that started in the station lobby before spilling out into the busway around 4:45 p.m. Read more.