UPDATE: The boil advisory in effect because of the water main break was lifted at 11:15 a.m. Thursday, according to the Williamsport Municipal Water Authority.
LOYALSOCK TOWNSHIP -- A water main break is affecting homes and businesses in the Williamsport area.
A break occurred Tuesday near the intersection of 4 Mile Drive and Warrensville Road, according to the Williamsport Municipal Water Authority.
There is no word on how many homes and businesses are without water and no word on how long repairs will take.