PHILADELPHIA (CBS) — Philadelphia police say a man shot two men, one fatally, who broke into a home in the Mayfair section of the city. It happened on the 7100 block of Walker Street, shortly before 4:30 a.m. Monday.

Police say two masked gunmen forcefully entered the residence in what they believe is narcotics motivated.

Police say they stole a cellphone from a 9-year-old boy and held a gun to a 33-year-old woman’s head inside her bedroom and demanded money.

According to Philadelphia Police Capt. Jason Smith, a man believed to be the woman’s boyfriend shot the the two suspects when they were about to leave the home.

“As the gunmen were prepared to exit the residence, an unidentified person interrupted the robbery and fired upon the home invaders, striking both of them,” Smith said.

One of the suspects jumped out of a second-story window after being shot in the back and leg. He was transported to Jefferson-Torresdale Hospital where he was pronounced dead.

A second suspect, 24-year-old Elvin Laureano-Uviera, was taken to a local hospital in stable condition.

Both of the suspects have had prior arrests.

Smith says the man who shot the suspects wasn’t in the bedroom when the robbery occurred. They believe he either arrived at the home or was down in the basement because the robbers did not see him when they first broke in.

Smith added it appears right now the man who shot the suspects won’t face a murder charge.

A 1-year-old was also inside the home at the time of the invasion and robbery. The woman and her two children were not injured during the incident.

The dead suspect’s name has not yet been released.