Delhi Gang-Rape
Seven African nationals were attacked within half an hour in south Delhi. Pictured: A police officer pulls a barricade to close a road leading to the India Gate in New Delhi Dec. 29, 2012. [Representational Image]Reuters

A 23-year-old Congolese man was reportedly beaten to death Delhi's Vasant Kunj area on Friday night. The police have launched an investigation into the crime.

MT Oliva was on his way home from Vasant Kunj's Kishangarh on Friday when he had an argument with three or four locals. The heated argument turned violent and he was chased by the locals and beaten with sticks and stones, ANI reported.

"A case of murder has been registered. We are checking CCTV footage to identify the accused," additional DCP (South) Nupur Prasad was quoted as saying by the Indian Express.

Eyewitnesses were quoted by ANI as saying that he had injuries on his face and head.

The police found Oliva wounded and bleeding when they reached Kishangarh. A different group Some other locals rushed him to a hospital, where he was declared dead, the Indian Express reported.

The police have detained some suspects in the matter and are questioning them. They are trying to ascertain whether it was a racial attack, a fight gone wrong, robbery or personal enmity, the Times of India reported. They are also looking at CCTV footage to find more about the attack.

The Embassy of Congo has been notified about the incident.

Oliva, who lived in South Extension, was a language trainer at a private institute.

The reason behind the argument and why Oliva was in Kishangarh is not known, the police were quoted as saying by the Indian Express. The locals that took Oliva to the hospital could not identify his attackers, the police added.

The attack on the Congolese man comes only months after a Tanzania-origin woman was stripped and beaten in Bengaluru.