Ambulance Victoria overloaded with 'non-urgent' patients due to heatwave Ambulance Victoria has been forced to warn the state's residents only to call Triple-Zero if there is an emergency after the service was overloaded with non-urgent patients last night. More than 2000 calls were made to Triple-Zero for ambulances services, with just over half of those being people in life-threatening danger. Ambulance Victoria tweeted an emergency alert just before 9pm last night, asking for non-urgent patients to call the nurse on call. READ MORE: