The police on Monday arrested a 35-year-old autorickshaw driver for stealing an ambulance parked near the entrance of Anna International Airport in Meenambakkam. The Airport police traced the vehicle to Melmaruvathur using the global positioning system (GPS) installed in it. They alerted the Melmaruvathur police, who intercepted the ambulance near the Thozhupedu toll plaza. They recovered the vehicle and arrested the driver. The police identified him as Madhavan, an autorickshaw driver from Semmancheri, who was addicted to ganja.