Moses Lake Police and Grant County Sheriff's Deputies are looking for this guy after he allegedly assaulted a courtroom security officer in the Grant County Courthouse in Ephrata.

Joshua Maher is the suspect. He was at the security checkpoint of the Ephrata courthouse at 9:30am when he attacked the guard. He then fled the building towards the northwest.

As of this writing, Ephrata schools were on lockdown. No further information has been released. The search continues. Sheriff officials did not say why Maher was at the courthouse.