The Nigerian Senate and House of Representatives are in a joint closed session at the chamber.The Speaker House of Representatives, Yakubu Dogara, announced this 12 p.m. on Tuesday.Mr Dogara did not state why the lawmakers want to hold the joint session.The Senate had earlier moved into a closed session which started 11 a.m. and still at close door till now as am reporting.Reps members are joining the senators for the close door. There is tense everywhere in national assembly as security agents are seen around with guns every where.