An ambulance transporting patients suffered a catastrophic tire failure on Sunday.  Washington Ambulance Association responded to a two car crash on Route 202 near Rabbit Hill Road and found three patients needing further treatment, including one who was trapped in a rolled over vehicle.  A second paramedic was requested from New Milford Community Ambulance.  All three patients were transported to Danbury Hospital.  While Washington's ambulance was transporting two patients, a tire failure occurred on Route 7 between Brookfield exits. Brookfield Volunteer Fire Company EMS responded with an ambulance to transport the patients to Danbury Hospital while Brookfield FD & Public Works assisted the crew with a tire change.