Richmond police on Tuesday said detectives were investigating after four people were shot and two were killed late Monday night in Richmond’s East End.

One of the victims, identified by police as a 15-year-old boy, was pronounced dead at VCU Medical Center on Monday night, police said. A second victim, identified by police as an adult male, died on Tuesday.

Two additional victims — a 14-year-old boy and an adult male — were treated for wounds that were not considered life-threatening.