WCAU July 13, 2017 7:24 am Stopping Summer Pests: Mosquito Tips NBC10’s Tracy Davidson and Vai Sikahema give some easy tips on how to stop mosquitoes from ruining your summer. US & World Videos 21:51 NBC10 @Issue: Reclassifying marijuana 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