Two-time Olympian Sushil Kumar, who was arrested by the Delhi Police on Sunday in connection with the death of wrestler Sagar Dhankar, has been suspended until further orders, officials said on Tuesday.

Northern Railway spokesperson Deepak Kumar said, "A case against Sushil Kumar, (Adhoc)JAG/ IRTS, on premature repatriation to Northern Railway from NDMC, in respect of a criminal offence, is under investigation. He was detained in police custody on May 23 for a period exceeding forty-eight hours."