Wrestler Sushil Kumar, India's two-time Olympic medallist, was arrested this morning over alleged involvement in the murder of a fellow wrestler in Delhi. He had been evading arrest for nearly 20 days, Delhi police said. Sushil Kumar was arrested along with a co-accused from northwest Delhi's Mundka, police officials said. They have sent to police custody for six days. Police were on the lookout for Sushil Kumar for his alleged involvement in the death of a 23-year-old wrestler at a stadium in Delhi.