Police are investigating the death of a shopkeeper who was found inside his Bensonhurst store Thursday night.

According to authorities, 59-year-old Isaac Kadare was killed at his 99-cent discount store on 86th Street between 20th Street and 19th Avenue. Sources say he was found unresponsive with some kind of head trauma by two customers.

Authorities have not yet indicated a potential motive, but say the death has been ruled a homicide.