Ghaziabad, June 25 -- A group of men allegedly stabbed a 21-year-old man to death over a past rivalry in Ankur Vihar, Ghaziabad, on Tuesday night, a police officer said on Wednesday, adding that two people have been detained over the incident.

The deceased was identified as a 20-year-old resident of Tronica City, Loni. The three people were his friends till they had a fallout six months ago. A murder case has been lodged against three named people, and several unidentified people.

Police said an initial probe revealed that he had been avoiding Vijay Vihar in Ankur Vihar, fearing threats from his former acquaintances. But, on Tuesday, he visited the place for urgent work. "The suspects came to know about his presence, waylaid him around ...