It was recently protested against SARS brutality and bad governance by young Nigerians which was later turned out to violence. It is obvious, that the earlier protest was actually geared towards presenting the needs of many Nigerians who may not openly expressed there own hearts to the government or organization where they work, as Police is one. Police force is a regimented organization, that is known for protecting Life and property of all citizens.
Evidently, a viral pictures of Protester was recently going Viral on social media groups about the newly passed out Constables who have worked with the force for over 6 months today, without salaries.
Evidently, a viral pictures of Protester was recently going Viral on social media groups about the newly passed out Constables who have worked with the force for over 6 months today, without salaries.

Source

They will not be paid coz the recruitment was cancelled by PSC and courts of competent jurisdiction