gurugram three members of a family are battling grievous injuries after the suv in which they were travelling crashed into a tractortrolley from behind and iron rods protruding out of the vehicle ahead pierced their bodies at the break of dawn on mondaypolice said jeevan joshi his wife brotherinlaw and two family friends were returning home to mayfield gardens in sector 51 when their mg hector rammed the tractor on the sector 31 flyover of the delhijaipur highway the family was returning from delhi when the accident took place around 440amthe tractor which was moving on the last lane of the carriageway exiting delhi did not have a number plate the police said it was headed for jaipuras the hector crashed into the tractor the iron rods smashed the windshield and pierced the hands chest and shoulders of four of the passengers police said the person driving the suv and three others sitting on the rear seat were hit by the rods joshi his wife and brotherinlaw are battling critical injuries the cops saidpassersby were the first rescuers some stopped their vehicles to pull the passengers out of the suv which was mangled but that was easier said than doneit took around 45 minutes to rescue the passengers while the hector was tied to an autorickshaw that pulled it from behind the tractor tried to move in the other direction so that the two vehicles came out of the tanglefour persons suffered serious injuries and they are undergoing treatment at a private hospital but three of them are critical the tractor has been seized said satish kumar the sho of sector 40 police station