BOSTON — Several people were injured in an early morning car crash on the Massachusetts Pike.

State police officials say the two-car crash occurred shortly before 5 a.m. Sunday near the Allston tolls in Boston on the eastbound part of the highway.

Five people were injured, with two being taken to Boston Medical Center, two to Massachusetts General Hospital and one to Tufts Medical Center.

The extent of their injuries is unknown. Police continue to investigate the cause of the crash.