An unidentified man was fatally shot Thursday evening in Southwest Philadelphia, police said.

The man, described as between 18 to 30 years old, was shot once in the chest shortly before 6:40 p.m. in the 5200 block of Woodland Avenue. Police took him to Penn Presbyterian Medical Center, where he was pronounced at 6:59 p.m.

No arrests were reported, and no other details were immediately available.