Editor's Note: This story has been updated throughout.
Some of the workers at a Kansas lawnmower plant thought they heard explosions; others reported the “pop, pop, pop” of automatic gunfire.
U.S. News 
Travis HeyingWichita Eagle/TNS, via Newscom
‘Hero’ Police Chief Doug Schroeder Killed Kansas Mass Shooter
PLANT ATTACK
A lone police officer took fire before killing the gunman who attacked the Excel Industries plant on Thursday, leaving three dead and 14 wounded.
Trending Now
