Canal Fulton police believe butane hash oil lab to blame for apartment complex explosion Canal Fulton police believe butane hash oil lab to blame for apartment complex explosion (Source: Canal Fulton Police) By Rachel Vadaj | March 1, 2021 at 9:37 PM EST - Updated March 1 at 9:37 PM CANAL FULTON, Ohio (WOIO) - After obtaining a search warrant into the Canal Fulton apartment complex that exploded, authorities found numerous pieces of evidence pointing to a butane hash oil lab as the cause. Canal Fulton Police Chief Douglas Swartz said first responders from Canal Fulton and Lawrence Township police and fire departments were sent to the 650 block of Colony Road for an explosion at approximately 8:48 p.m. on Feb. 25.