A Southeast Washington man was fatally shot and his son wounded early Saturday as the man was walking his dog, District police reported.

Leroy R. Miles, 54, a security guard at Camp Simms for the D.C. government, was shot at 12:30 a.m. after he had come home from his job and taken his dog out, police reported.

According to Miles' son, Ronald, his father was shouting before he was shot, and his 19-year-old son, Fred, went to help him. Fred, went to help him. Fred found his father struggling with a man who shot and wounded Fred in the arm, according to Ronald Miles.

As Fred made his way back to the apartment house at 920 Bellevue St. SE, he heard a second shot, Ronald Miles said.

Moments later, Ronald Miles said his father, still dressed in his blue guard uniform, came back to the apartment holding his chest, where he had been shot once.

"My sister opened the door for him. He was holding his chest," said Ronald Miles. "He lay down on the bed and said he was in lots of pain. Then he fell on the floor."

Miles was pronounced dead at Southeast Community Hospital at 1:30 a.m.

Ronald said his father had walked the dog nightly, at the same time, for the last few years. He said he does not know if the assailant was a robber, but he added that his brother did not recognize the man.

Police said yesterday they are investigating the case.