Gurugram, May 17 -- Three people were critically injured during a family dispute over property at Hari Nagar in Sector-10A, when one of them was stabbed and his mother was mowed down by a car, police said on Saturday. Police said the victims were identified as Urmila Devi, 57, who suffered multiple fractures in both her legs after being hit by a car, sons Rahul Verma, 34, who sustained stab wounds and Amar Verma, 31, who suffered bruises and cuts. Police said the incident took place between 7.30pm and 8:00pm on May 5, but the FIR against five suspects was registered on Friday. Investigators said both siblings had jointly purchased a plot of land in their locality and later transferred it to their mother's name. However, Amar's wife was upset with the decision, leading to a dispute amid ongoing matrimonial issues. A senior police officer said the wife informed her family members, including her father and maternal uncle, who came from Ghaziabad and assaulted the family after entering their house. "They dragged the family out onto the road. During the scuffle, one of the accused stabbed Rahul with a knife. Two other relatives assaulted Urmila and threw her onto the road, after which another accused drove a Maruti Ertiga over her," he said. Investigators said neighbours gathered at the spot after which the accused fled. The neighbours rushed the three to civil hospital in Sector-10A for treatment and alerted the police control room. Sandeep Turan, public relations officer of Gurugram police, said the woman underwent surgery and is under treatment at a private hospital in Sector-11. "Her two sons were discharged after treatment and their statements have been recorded. Urmila submitted a complaint to the investigators at the hospital," he said. He said a police team visited the spot and collected CCTV footage of the incident. "All the accused will be arrested soon. The role of Amar's wife will be clear after investigation," he said. On Urmila's complaint, an FIR was registered against the accused under sections 115 (voluntarily causing hurt), 117(2) (voluntarily causing grievous hurt), 333 (house trespass), 190 (unlawful assembly) and 191(2) (rioting) of Bharatiya Nyaya Sanihta at Sector-37 police station....