The body of Jitendra Mann (27), who was working as a trainer at a gym at Sector Alpha, was found by his boss Pritam Tokas.
Superintendent of Police (Rural) Suniti Singh said that they were arrest last night and Mann's wallet, mobile phone and keys were also seized from them. The pistol and blood- stained clothes were also found, the officer said.
Imran Qureshi, a meat trader, his paramour Srishti Gupta and his driver Nafees, all residents of Bulandshahr, were arrested, the SP said.
Mann from Delhi had taken part in competitions in Uzbekistan, France and Russia.
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