The U.S. Army says a helicopter has crashed near Joint Base Lewis-McChord in Washington. The crash happened Wednesday night.

“Good morning. Joint Base Lewis-McChord confirms that a helicopter crashed on the evening of Sept. 17 in a rural area near the installation. The incident occurred at approximately 9 p.m. Pacific Daylight Time. This remains a developing situation, and no additional details are available at this time,” the statement said.

Authorities were responding late Wednesday night to the scene of an apparent military helicopter crash in the vicinity of Joint Base Lewis-McChord in Washington state

McChord, involving four service members from the 160th Special Operations Aviation Regiment. The cause is under investigation. The crash triggered a wildfire and initiated a search mission. Local and state agencies collaborate to manage the situation.

Army officials have announced that four services members were on board the helicopter when it crashed near Washington state's Joint Base Lewis-McChord. The soldiers were members of the 160th Special Operations Aviation Regiment, Airborne.