Three Nigerians were found dead in a flat in Delhi'sUttam Nagararea on Friday under mysterious conditions, the police said.

The incident was reported from theMohan Gardenlocality. The landlord noticed a foul smell belching out of the flat and informed the police, a senior officer said.

"Two bodies were found in one room and the third in another room. No external injury marks were found on them," he said.

The deceased have been identified asChristopher(36), Greece Ben (33) and David. Two of them -- Christopher and Greece -- lived on different floors of the building.Davidlived somewhere else and would visit the duo often, the police said.

Christopher had come to India in March and Ben in April. Both of them had business visas, the police said.

The trio would meet frequently for food and liquor. Their bodies were found in a third floor flat that had been rented out to Ben. Christopher lived on the second floor of the house, they said.

A forensic team collected evidence from the flat where the bodies were found.

"It is suspected that the deaths occurred late last night. The reason is not yet known. No drugs were found from the flat but the pungent smell of some chemical was felt," the officer said.

The bodies have been sent for autopsy and a probe was underway, the officer said. (Times of India)