Operatives of the Department of State Services (DSS) have blocked all the entrances into the national assembly.
The operatives are turning away cars of lawmakers and one of those that have been prevented from gaining entry into the national assembly is Rafiu Ibrahim, senator representing Kwara south.
According to our source Ahmed Lawan, senate leader, and some senators elected on the platform of the All Progressives Congress (APC) met with Lawal Daura, director-general of the DSS, at about 1am on Tuesday.
No explanation has been given for why the security agency is turning back national assembly staff and lawmakers.
Senate President Bukola Saraki had on Monday called for an emergency meeting comprising principal officers of the National Assembly on Tuesday.
Saraki called for the meeting amid intense pressure to reconvene the assembly over certain issues.