MUMBAI, Nov. 14 -- A six-vehicle pile-up occurred on the Coastal Road in the northbound stretch of the tunnel near the Marine Drive Traffic Division. The accident took place at 2.30 am on Friday. There were no fatalities or injuries, although all six vehicles sustained damage. A few vehicles collided, causing a pile-up. A Mahindra XUV700 then crashed into the stationary vehicles and burst into flames, a police officer said. After being alerted, fire brigade personnel rushed to the spot and extinguished the blaze by 3.26 am, the officer said. Besides firefighters, police, 108 ambulance service and Coastal Road staff were also mobilised to bring the situation under control....