A fire in York County that forced nine people out of their homes was caused by the lithium-ion battery in a scooter, according to the fire chief.Video above: Headlines from WGAL News 8.Fire crews responded to a two-story semi-detached home in the first block of Mount Royal Avenue in Penn Township at 11:40 a.m.Hanover Area Fire & Rescue Chief Anthony Clousher said a fire was found in the basement, isolated to an area along a wall.The fire was brought under control in 20 minutes. No one was hurt, according to Clousher.The Red Cross is helping the affected residents.For live traffic updates, click here. Do you have photos or video of an incident? If so, upload them to https://www.wgal.com/upload. Be sure to include your name and additional details so we can give you proper credit online and on TV.