Boston Police report:

Two of three suspects were arrested shortly after 3:30 a.m. on charges they shot a guy in the ass at 37 Dubois St. in Roxbury. When police arrived, they saw three men coming toward them on bicycles; on spotting the police, one of the three took off his hat and shoes and began running - police got him after a brief struggle. Pete Gallop, 18, of Boston and Dominique Grady, 18, of Dorchester, both now face charges.

Around the same time, a guy allegedly pointed a gun at somebody else during a fight on Breed Street in East Boston. When the victim knocked it out of his hands, another guy allegedly picked it up and once again took aim at the victim. Then a crowd assembled and the pair, along with a friend, fled:

Officers chased [one] suspect through parking lots, fences and yards until the suspect was stuck behind a residence on Leyden Street where he was apprehended.

Steven Golden, 21, of Hyde Park and James Warner, 20, of East Boston were arrested on charges of assault by means of a dangerous weapon, unlawful possession of ammunition and disorderly conduct. Jose Camacho, 18, of Revere was arrested and charged with assault and battery and disorderly person.

This morning, around midnight, police found a man lying on his back with multiple stab wounds at 10 Lamartine Ext. in Jamaica Plain. The victim was taken to Brigham and Women's and is expected to live.

Around 1:12 a.m., police arrested Ellis Golden, 23, of Mattapan for allegedly firing a gun several times in the alley between Almont Street and Tennis Road.