NEW DELHI, May 6 -- A 36-year-old security guard on his way home from night duty was allegedly run over by a man in a Thar SUV near Mahipalpur flyover early on Sunday allegedly after he objected to the driver's incessant honking. The guard, Rajiv Kumar Singh, suffered fractures in both legs and remains hospitalised. The accused, identified as 24-year-old Vijay Kumar, was arrested later, police said. Police said Vijay Kumar, a resident of Rangpuri, was out driving with his friends in a Mahindra Thar when the incident occurred. The victim, Rajiv Singh, hails from Bihar and lives in Mahipalpur with his younger brother. According to the FIR, Rajiv Singh, who works with a private company and is posted as a security guard at Terminal-3 of the Indira Gandhi International Airport, had just finished his night shift. He took a cab to Mahipalpur and was crossing the road near the traffic signal at the flyover when the SUV driver began honking....