Voicing concern over nexus between organised crime and money laundering, Prime Minister Manmohan Singh today said flow of funds to terrorists should be "cut off" using provisions in existing laws."We need to use relevant provisions of the Unlawful Activities (Prevention) Act and the Prevention of Money Laundering Act to cut off flow of funds to terrorists," he said.Singh was inaugurating a national seminar on "Law, Terrorism and Development".The Prime Minister said it was "a matter of extreme concern" that terrorists had linkage with organised crime, like drug trafficking, gun running, counterfeit currency and money laundering."Today we see many different forms of terrorism. Having large financial and material resources at their disposes, terrorist groups are able to use modern communication system and state-of-the-art technology to pursue their agenda. They have become more sophisticated, better networked and highly motivated," he said.