Investigators believe 7-year-old responsible for setting fire to Lancaster playground

LANCASTER, Ohio -- Investigators believe a 7-year-old is responsible for setting fire to a playground in Lancaster Sunday, according to the Lancaster Fire Department.LFD said crews were called to the 1400 block of E. Walnut St. just before noon where they quickly put out the flames. They said the damage is estimated to be about $25,000.According to the Lancaster Police Department, the child said they found a lighter and lit the rubber pellets at the playground on fire. The child then tried to st