Punjab Congress chief Amarinder Singh on Sunday slammed the Aam Aadmi Government over Punjabi singer Sidhu Moose Wala's murder in the state and said that 'it has happened due to government's failure and police's incompetence'.

Addressing reporters here on Sunday, Warring said, "It has happened due to government's failure and police's incompetence. It needs to be investigated under a sitting judge of National Investigation Agency (NIA). It's a political murder. The state government should step down." He further said that Punjab Police should be ashamed as it is their responsibility to ensure law and order in the state.