A 40-year-old man was charred to death allegedly after his truck, where he was sleeping, caught fire in Narela Industrial area of Rohini district, police said Tuesday.
The deceased was identified as Subhash, a resident of Badoth in Uttar Pradesh, they said.
Police were informed about the incident at 2.45 am Tuesday following which they went to the spot, police said.
The victim was taken to a nearby hospital where he was declared dead, a senior police officer said.
A case has been registered and the matter is being probed, Deputy Commissioner of Police (Rohini) Rajneesh Gupta said.
Police suspects cigarette could be the cause of fire. However, the actual reason is being ascertained, the officer added.
Post-mortem will be carried out on Wednesday after which the body will be handed over to the family. Further investigation is underway, the officer said.