EAST WINDSOR, Conn. (WTNH) – I-91 Southbound was closed on Monday morning in East Windsor between exits 44 and 42 due to a crash, according to authorities.

The fiery crash involved a tractor-trailer, and there are no reports of any other vehicles involved at this time.

Investigators first responded to the scene at 11:30 p.m. Sunday night after hearing reports of a crash involving a tractor-trailer on I-91 South near Exit 44. According to official statements, serious injuries were reported as a result of the collision.

Several emergency crew teams assisted with the vehicle fire, which has been put out.DOT and other emergency service agencies are still on the scene investigating the incident, according to officials.

The highway was closed for an extended amount of time between exits 44 and 42, but it has since been reopened. Though, authorities said the Exit 44 ramp is still closed.

The cause of the crash is still unknown.