Six persons were killed and two children critically injured in a head-on collision between a private bus and a car on National Highway 151A near Shantapur Cross in Shorapur taluk of Yadgir district on Thursday morning. The victims are from Sirwar in Raichur. The impact of the collision was so severe that both vehicles caught fire. The bus was from Bengaluru to Kalaburagi and the car was from Venugopalaswami Temple in Surpur to Sirwar in Raichur