A 19-year-old Dorchester man and a 37-year-old Roxbury man were fatally wounded in separate shootings Saturday night and early yesterday morning, Boston police said.

Jarris Jermaine Charley, 19, of Bowdoin Avenue, Dorchester, was shot by unknown assailants near Bowdoin Avenue and Mallon Road at about 2:35 a.m. yesterday, police said. He was pronounced dead a short time later at Boston City Hospital.