KUALA LUMPUR (Apr 5): Senior lawyer Rosli Dahlan, who is also the lead counsel for 1Malaysia Development Bhd (1MDB), has filed a RM50 million defamation suit against former Umno supreme council member Datuk Seri Lokman Noor Adam for issuing defamatory statements which implied, among others, that Rosli had unlawfully profited from money in connection with the 1MDB asset recovery effort by the Malaysian government.