Not confirmed whether the launch led to that groundstop, but says no americans were in danger. the faa says it is reviewing it all. david? gio benitez, who covers transportation for us. thank you, gio. and tonight, the stunning images. the medical helicopter going down in suburban philadelphia, with an infant onboard, medical staff, too. tonight, that pilot is being hailed as a hero, navigating 3wi8dings and power lines, landing on its side, right outside a church. we ve learned the baby and three crew members onboard all survived, all are getting medical care tonight. and here s erielle reshef. reporter: tonight, the pilot of this medical helicopter pulling off a, quote, miracle landing, after the aircraft suddenly dropped from the sky, narrowly missing a church in suburban philadelphia. pie lot s possibly unconscious. use caution, there s fuel leaking. reporter: rescue crews rushing to the scene, helping pull an infant patient and all three crew members from the wreckage. n