LI psych patient goes missing after jumping from ambulance

LI psych patient goes missing after jumping from ambulance
A Long Island psychiatric patient escaped from an ambulance that was transporting her between two medical centers Friday night, cops said. Marlena Berretta, 29, jumped from the ambulance as it idled at a stoplight on New Moriches Road near Route 347 in Lake Grove about 5:50 p.m., police said. The patient was being transferred from…