WCAU September 8, 2018 11:31 pm Mold Shuts Down Local High School Mold is causing major problems for Upper Perkiomen High School. The school will be closed for at least a week as crews work to fix the problem. US & World Videos 0:35 Fans of ‘The Office' got to see some of the stars at Fan Expo Philadelphia on Saturday 2:32 Rainy, chilly weather didn't stop many from enjoying festivals throughout Philadelphia 0:29 Driver found safe after carjacking in Delaware 2:23 Teen killed in quadruple shooting in North Philadelphia on Saturday evening 0:39 Teen shot near church in West Philly, two in custody