UPDATE: Trooper involved in crash identified

WASHINGTON COUNTY, Ohio (WTAP) - UPDATE 3/15/19 11:21AM
An Ohio State Highway Patrol trooper from Marietta injured when his cruiser was hit by a semi during a traffic stop Friday morning was alert and talking to authorities before he was flown to a Columbus hospital, authorities said.

Lt. Chris Cesar, commander of the patrol's Marietta post, said the injured trooper is Sgt. Eric Knowlton. He was flown to Grant Medical Center in Columbus after the crash.

At least two other people were injured in the crash and taken to Marietta Memorial Hospital. Authorities have not released their names.

The three-vehicle crash happened about 7:45 a.m. at mile-marker 3 in Washington County and shut down the highway between State Routes 7 and 821.

A Highway Patrol dispatcher said a semi hit the trooper's cruiser and that a pickup truck that had been pulled over by the trooper was also struck.

ORIGINAL STORY 3/15/19 10:19AM
A trooper from the Marietta Post of the Ohio State Highway Patrol is being flown to a Columbus hospital after being injured in a three-vehicle accident on Interstate 77 in Washington County Friday morning.

An OSHP dispatcher said the trooper, who is being taken to Grant Medical Center, was injured when his cruiser was hit by a flatbed tractor-trailer while he was stopped along the highway conducting a traffic stop, that's according to our sister station, WTAP.

Two other people in a pickup truck the trooper had pulled over were injured and transported to Marietta Memorial Hospital, the dispatcher said, adding that the impact knocked the trooper's cruiser into the pickup.

The crash happened about 7:45 a.m. near mile-marker 3, and the highway is shut down in both directions between State Routes 7 and 821.

It's unclear when it will be re-opened.