The Boston Police Department reports a man found with a gunshot wound around 7 p.m. on Sunday at 20 Irma St. was pronounced dead at Boston Medical Center not long after.

Police said he was 22 and black, but declined further identification.

The murder is the fourth in a year in an area stretching three blocks on either side of Blue Hill Avenue.

In February, a man was shot to death on Floyd Street. On May 21, 2009, a woman sitting on her porch was shot to death. On May 13, 2009, a man talking with some friends on Wilcock Street was shot to death.

On March 15 of this year, a man was shot eight times at point-blank range but survived.