Four persons were killed in a road accident on National Highway number 61 near Devrai in Ahmednagar district of Maharashtra. <br />''<br />''The accident took place when a private travel bus and a santro car had head on collision in the wee hours today. <br />''<br />''Three persons were killed on the spot while the fourth person succumbed to injuries during treatment in the nearby hospital. <br />''<br />''The bus was travelling from Pune to Nanded while the car was heading towards Pune.