LINCOLN, Neb. (AP) — A pillow fight that set off a college dorm sprinkler system led to the evacuation of five floors of Schramm Hall on the University of Nebraska-Lincoln Campus on Friday night.

Campers staying at this week’s Christ in Youth Conference got in a pillow fight just after 11 p.m. Friday and hit a sprinkler on the fifth floor, setting off the sprinkler system.

UNL Police Officer Greg Byelick says police and firefighters arrived to find all five floors damaged from water coming out of a sprinkler head on the fifth floor.

The group was relocated to Abel and Pound halls for the remainder of its stay.

Byelick says there is not yet an estimate on the damage.