One person is dead following a U-Haul truck explosion early Saturday morning, authorities said.The blast happened around 7:15 a.m. in the parking lot of an Old Navy store in Lewiston, Idaho, just across the border from Washington state.Preliminary findings suggest the blast was accidental. Investigators say the truck appeared to be carrying stored materials, including gasoline and propane tanks, according to a joint statement from the Lewiston Police Department and Lewiston Fire Department.CALIFORNIA HOME EXPLOSION CAUGHT ON DOORBELL CAMERA"At this time, there is no indication the incident is criminal in nature," Lewiston Fire Marshal Julian Sorrell said in a statement.The explosion caused damage to nearby businesses, including Old Navy and the Courtyard Marriott. No fire erupted following the blast, officials said.EXPLOSION ROCKS SENIOR LIVING APARTMENT BUILDING IN OHIO, MULTIPLE PEOPLE INJUREDOfficials said there is no immediate threat to the public, but are asking residents and visitors to avoid the area "to allow emergency crews and investigators to safely complete their work."The investigation remains ongoing.MIDWEST BIOFUELS PLANT EXPLOSION, BUILDING COLLAPSE LEAVES 3 DEAD, INCLUDING 2 CHILDRENMultiple agencies responded to the scene, including the Lewiston Fire Department, Lewiston Police Department, Idaho State Police, the City of Lewiston Streets Division, and Nez Perce County officials.On Thursday, a home explosion near Hayward in the San Francisco Bay Area left six people hospitalized.