HOUSTON, Texas (KTRK) -- The aftermath of a crash is slowing drivers along the East Freeway on Tuesday.

Houston TranStar reported the heavy truck wreck and hazmat spill on I-10 East westbound near Mercury Drive at 8:43 a.m. TranStar cameras show several westbound lanes impacted as crews work to clean up the incident.

It's unclear what caused the crash, what spilled, or whether anyone was injured.