One person was killed and two others injured after a house explosion in Richland County on Friday. First responders were called around 1:30pm to the home on Hook Road in Springfield Township, just outside the village of Crestline, on a report of an explosion and a fire. The house was leveled. Firefighters found one victim, identified as 47 year old Krista Kramer of Lexington, had died in the blast. she was found in the basement. The cause of the explosion remains under investigation.