At least one person was killed and another critically injured on Sunday when two helicopters collided midair and crashed in a suburban Philadelphia town, authorities said. The crash occurred around 12:25 p.m. in Hammonton, New Jersey, about 35 miles southeast of Philadelphia, according to the Federal Aviation Administration (FAA). --- Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News Digital is your daily source of breaking national and world news, exclusive