PPP Leader Faisal Raza Abidi on Monday again made it clear that if Nawaz Sharif knows who is behind Karachi carnage then he must provide all details to the Interior Ministry. While talking to a Private TV, Faisal Raza Abidi reiterated that all the political forces would have to unite for resolving the issues including energy, terrorism and political problems. He said that the government is aspirant to eradicate the militancy from the county. We have to get rid of illegal weapons from the country, he stressed. All political forces must support MQM bill, he pointed. He further added that handful of elements will not be allowed to destabilize Karachi at any cost.