PHILADELPHIA (CBS) — A multi-car accident on Roosevelt Boulevard in Northeast Philadelphia is causing a traffic mess heading into the Monday evening rush hour.

Crews were called out around 3:30 p.m. on the boulevard between Summerdale Avenue and Oxford Circle for an accident involving four cars.

People were injured in the accident but the extent of their injuries is unclear at this time.

FULL TRAFFIC COVERAGE

The lanes are currently blocked and traffic is getting by on the shoulder.