The AAP on Thursday demanded the sacking and arrest of Lt. Governor Najeeb Jung and two BJP leaders in connection with the murder of an NDMC officer.Aam Aadmi Party leader Raghav Chadha said that emerging facts revealed that Jung and BJP's Maheish Girri and Kanwar Singh Tanwar were linked to the May 16 murder of M.M. Khan."They should be arrested," Chadha told the media.The AAP also sought an impartial probe into the entire episode, in which police have arrested a hotelier for alleged links to the killing of Khan, who reportedly rejected a bribe to settle a case in the hotelier's favour. Khan, who was with the New Delhi Municipal Council (NDMC), was shot dead outside his home by unidentified gunmen.Chadha said Delhi Police should immediately stop reporting to Jung as no impartial probe would be possible as long as the Lt. Governor remained in charge of the police."The Lt. Governor should resign immediately... Or the central government should sack him. The LG should also be arrested (and) investigated," the AAP leader said.Both Girri, a MP, and Tanwar, a former legislator, have repeatedly denied any involvement in Khan's murder and accused the AAP of making baseless charges.