India, Sept. 9 -- The killing of Manipuri musician Chongtham Vikram Singh in Delhi has triggered a political confrontation between the Congress and the BJP, with Leader of Opposition Rahul Gandhi questioning the Centre over law and order and the BJP accusing him of politicising a tragic incident.

Singh, a 54-year-old musician from Manipur, was allegedly beaten to death by a group of men, including delivery workers and dhaba employees, after he objected to loud shouting and drinking outside his residence in Kilokari village in southeast Delhi late Sunday night. Police have arrested seven people and detained a juvenile in connection with the case.

According to police and the FIR, Singh had previously objected to the group's disruptive beh...