DEFIANCE, Ohio (WANE) — An area of southeast Defiance has been shut down due to an explosion at an oil refinery Wednesday afternoon. The explosion happened at the Glycerin Traders oil refinery plant in southeast Defiance. Around 4:15 p.m., the Defiance Police Department posted on Facebook warning residents to avoid the area of Columbia Street near Ottawa Avenue, Greenler Street and Sauers Avenue due to an “emergency situation.” An employee at Clifford R. Hunt Inc., a business located across the street from the explosion, told WANE 15 he could feel the explosion from his office and could see flames at...