A suspect has barricaded himself in a home in New Jersey after allegedly killing three people in a shooting in suburban Philadelphia on Saturday, authorities said. Police said the suspect, identified as 26-year-old Andre Gordon, was currently homeless and knew the victims. The Trenton Police Department said the residents were successfully evacuated from the home with no injuries. Video from a WPVI helicopter showed numerous police vehicles surrounding several blocks of homes in Trenton, where the suspect is believed to be barricaded. (May. 16)