PHILADELPHIA—Six gunmen fired more than 65 rounds on a Philadelphia street, sending nighttime pedestrians on a busy block teeming with markets and restaurants scrambling for cover and injuring six people, at least one of them critically, police said Friday. Police responded around 11:30 p.m. Thursday in the Germantown neighborhood and found a 21-year-old woman shot multiple times in the abdomen and chest and lying near dozens of spent casings. Officers rushed her to the hospital, where she was in critical condition Friday. Five men ages 19 to 29 were taken with gunshot wounds by private vehicles to two hospitals, police said. All were expected to survive. Officers are looking at surveillance footage, Chief Inspector Scott Small told reporters late Thursday. Police released surveillance footage Friday showing six men jump out of a van and begin shooting. The footage also shows shots being fired back as individuals from both groups dodged …