After veteran NCP leader and former Maharashtra minister Baba Siddique was shot dead near his son's office in Mumbai's Bandra last night, a political slugfest has erupted over the killing between the ruling BJP and Opposition parties. While the BJP-led Maharashtra government has requested not to "politicise" the incident, Opposition leaders, notably from the Congress, have slammed the ruling dispensation over what they describe as a "collapse of law and order."