Thiruvananthapuram: The Motor Vehicles Department has initiated steps to suspend the permit of the tipper and the private bus that were involved in the fatal road accidents in the capital on June 27 and July 1. An official release said the Regional Transport Officer have also taken steps to suspend the driving licence of the drivers of the two heavy vehicles. The tipper had knocked down a motorcyclist Bijukumar near Pettah and V.G. Krishnapriya, a Plus two student of Cotton Hill GHSS, was mowed down by the private bus near Thirumala on July 1.