Authorities are investigating after a fiery explosion Friday at a lumber mill in Searsmont, Maine. Officials have not yet released the number of injuries or fatalities. Camden Fire & Rescue confirmed it has a crew providing assistance. "Our thoughts are with the injured, medical professionals providing care and first responders working to control the situation," the department wrote in a statement on Facebook. "We anticipate having personnel committed to helping for several days." Ben Hamel, the mill's purchasing manager, told the Bangor Daily News that the fire started in an area where wood shavings are packaged. The fire then spread...