PHILADELPHIA (AP) — Police say three teenagers were wounded by gunfire, one critically, near a school in Philadelphia. Authorities said the male victims, ages 15, 16, and 17, were shot as classes were ending Monday afternoon. The 15-year-old was hit in the thigh and was in critical condition at a hospital. The 17-year-old was shot in the foot and is in stable condition, while the 16-year-old was grazed on an arm and declined medical treatment. No arrests were immediately reported. Over the weekend, three teenagers were wounded by gunfire during a festival in Philadelphia. The city recorded a total of six homicides Saturday and Sunday.