The Senate President, Bukola Saraki, has entered the Senate chamber for the day's plenary.
Mr Saraki entered the chamber at 10:40a.m. and took the prayer a minute after.
Mr Saraki's appearance came after a siege on his convoy early Tuesday morning.
Meanwhile, the Deputy Senate President, Ike Ekweremadu, is not yet in the chamber.
The security siege on Mr Ekweremadu's house was still on at 10:50 a.m.