A 65-year-old security guard was stabbed to death by unidentified men in south Delhi's Safdarjung Enclave, the police said Wednesday.
Ram Bahadur was attacked while he was resting in an autorickshaw on the intervening night of Tuesday and Wednesday, they added.
Nothing was found stolen from him, the police said, adding that they were scanning the CCTV footage to gain clues to the incident.