75-year-old man charged with killing construction worker in Roxborough home, Philadelphia police say

A 75-year-old man was arrested and charged with the murder of a construction worker at a house in the city's Roxborough neighborhood, Philadelphia police and sources say.

According to police, 20-year-old Salis Hanrahan was found with a gunshot wound to his chest at a house in the 400 block of Ripka Street shortly before 2:30 p.m. Wednesday.

Hanrahan was rushed to a nearby hospital, where he later died.

Police sources tell CBS News Philadelphia that Hanrahan was a construction worker.

On Friday, police said charges were filed against George Barr, of Philadelphia. Barr is charged with murder, a weapons charge and recklessly endangering another person.

A gun was found at the scene.

The shooting remains under investigation. Police are asking anyone with information to contact the department's homicide unit at 215-686-3334.