A 31-year-old man was shot and killed early today during an argument in the entranceway to his apartment building in Philadelphia's West Oak Lane section, police said.

The victim, whom police identified as Quasay Johnson, left his apartment and went to the vestibule of the building on the 7000 block of N. 15th Street about 12:30 a.m. after receiving a phone call, police said.

Witnesses told police they heard some men arguing and then a round of gunfire.

The victim was shot three times in the chest and once in an arm, police said. He was taken Albert Einstein Medical Center, where he was pronounced dead at 12:57 a.m.

Police were seeking two men seen running from the vestibule.