India, March 28 -- A 27-year-old chemical engineer allegedly stabbed a 22-year-old inmate to death on Thursday night at a drug de-addiction centre at Hiranki near Alipur in north Delhi, police said on Friday.

The accused, identified as Arun Joshi, was arrested from the spot and a blood-stained knife was recovered, police added. The victim, Arun Kumar, was taken to Burari hospital where he was declared brought dead.

Both were admitted to the centre for drug addiction treatment.

"Interrogation revealed that both had a quarrel a few days ago inside the centre over some issue during which Kumar allegedly abused Joshi. Holding a grudge, Joshi stabbed him in the neck," said deputy commissioner of police (outer-north), Hareshwar Swami.

The A...