An ambulance driver, who was reportedly drunk and driving the vehicle rashly, rammed into five labourers at Janakpuri Chowk, Industrial Area-A, around 9pm on Monday.
One of the five labourers died on the spot, while four other sustained severe injuries in the accident.
The five labourers were returning home after finishing the day's work at a factory. When they reached near Janakpuri area, a speedy ambulance hit them from back. All of them fell on the road and the accused ran over the ambulance on them.
In a bid to escape from the spot, the accused tried to reverse the vehicle but he again ran it over the victims and then it got stuck in a heap of soil and debris.
Meanwhile, people gathered on the spot and nabbed the driver and handed him over to the police. The Division Number 6 police had registered a case of reckless driving, and causing death due to negligence against accused driver Prem Chand alias Prema.
The labourer who died on the spot has been identified as Husain Ali (62) of Balrampur in Uttar Pradesh.
The injured Kishori Lal (35), Ram Lotan (26), Nirbhay Singh (32) and Ghanshyam (16) were rushed to civil hospital, from where they were referred to the Christian Medical College and Hospital (CMCH).
Incharge of Janakpuri police post sub-inspector Rajwant Pal Singh, who is investigating in the case, said the accused had converted a Toyota Qualis into an ambulance, but he failed to produce permit for it. The accused was not affiliated with any hospital. The police would add sections of the Motor Vehicle Act against the accused in the FIR.