A two-car collision on Thursday sent both involved drivers to the hospital — including a Washington state trooper.

The accident happened around 5:15 a.m. on 348th Street near Highway 18 and is still being investigated, according to Washington State Patrol Trooper Rick Johnson.

Johnson said the accident was caused when the trooper was driving to assist another trooper in a pursuit, however, the exact cause of the crash is still unknown.

Neither the trooper nor the driver of the other car sustained any serious injuries. However, both were transported to St. Francis Hospital for minor injuries, Johnson said.

This story will be updated when more information becomes available.