One person was killed in a house fire last night in the 10000 block of Lorain Avenue in South Four Corners, according to Pete Piringer, public information officer for the Montgomery County Fire and Rescue Service. At about 9:25 p.m. on Nov. 20, approximately 85 firefighters responded to multiple calls to find “heavy fire conditions in a single-family house,” Piringer said in a recorded message for the media.