NEW DELHI: A Delhi Police sub-inspector was run over while he was on patrol duty on NH9 on Tuesday morning.

Gangasaran (58) had flagged down a truck and was checking it when a speeding Honda Amaze rammed him and the driver of the truck.

The two were rushed to hospital where the cop died during preliminary treatment.

"One of his legs was crushed," an officer said.

The truck driver is being treated for injuries.

The car driver, who left behind the vehicle and fled, was identified and would be arrested soon, the officer added.The SI, a native of UP's Bulandshahr, lived with his family in east Delhi's Kondli and was posted at Kalyanpuri police station.

He had recently been deployed for the G20 Summit.

His son said he had just a year and a half till retirement.

Cop and truck driver pinned between two vehicles on NH9 SI Gangasaran and assistant sub-inspector Ajay Tomar were on patrol duty in a Gypsy emergency response vehicle and had flagged down a pickup on NH9 around 6am on Tuesday.

"While the SI came out of the vehicle, the ASI remained in the car.

The truck driver, Ramgopal, also stepped out of his vehicle," said a police officer.The SI was checking the goods, mostly flowerpots, that the pickup was delivering to Uttam Nagar, when a Honda Amaze car, driving at great speed from Ghaziabad towards Sarai Kale Khan, crashed into him and Ramgopal.

The men were pinned between the two vehicles, and it was only a few minutes later when the truck moved a bit that the two men fell on the road."The front portion of the Honda Amaze was mangled," an officer said, adding that its driver fled the spot, leaving behind his car.

"The two men just did not have the time to escape the collision."Amrutha Guguloth, DCP (East), said police have registered a case against the Honda Amaze driver for rash driving (Section 279 of IPC), causing hurt by an act endangering the life or personal safety of others (337) and causing death by negligence (304A).

"The offending car was registered in the name of the accused, and he will be arrested soon.

We are on this trail," Guguloth said.Gangasaran joined Delhi Police as a constable in 1986.

"During this lifetime, he was posted in south, southwest and east districts and in the police control room and traffic.

He was recently deployed during the G20 summit," an officer said.The family received the news of the tragedy from a constable who visited his aunt's home in Kalyanpuri.

"After she informed us about the accident, we rushed to the hospital, but he had died by then," said Harendra, the elder son of Gangasaran.

The police SI's son added that his father planned to shift back to Uttar Pradesh after retirement, which was around a year and half away.

"He was a dedicated and hardworking policeman," the grieving son said, adding that his father had been planning the marriage of his daughter, who is preparing for competitive exams.