source: Vanguard (Nigeria)
actor1: Protesters (Nigeria)
actor2: Police Forces of Nigeria (2015-)
location: Abuja
notes: 22 October. NHIS employees demonstrated in front of their headquarters against the Executive Secretary, Usman Yusuf who disregarded his suspension and attempted to return to work. Police forces fired tear gas to disperse the protesters and allowed Yusuf to enter the NHIS building.