 Non-emergency and repatriation air ambulance services are normally provided by private charter carriers.Magen David Adom is supplemented in some areas by Hatzalah, an emergency ambulance services network serving Jewish communities worldwide, and ZAKA, a series of community emergency response teams staffed by Orthodox Jews, who in addition to providing medical services and evacuation, also aid in the identification of terrorism victims and gather spilled blood and body parts for burial.The Palestine Red Crescent Society also provides services to Arab neighborhoods in Jerusalem.