Pennsylvania September 19, 2023 11:14 pm Dozens pay their respects after girl and her mother stabbed to death A 17-year-old boy is accused of killing his ex-girlfriend and her mother in the Lehigh Valley. NBC10’s Leah Uko has the new developments. US & World Videos 1:45 Local athletes team up, compete in the 46th annual Delco Hero Bowl 0:31 Popular Philadelphia deli shut down for health violations 0:31 Off-duty Philadelphia Police officer recovering after exchanging gunfire with robber 1:49 Local voters react to former Pres. Trump's guilty verdict 2:23 Traditional island dancers share their cultural stories