Do Road Safety Officers carry weapons? There is an armed man wearing FRSC uniform on the road (photo)

Zuby Victor Udemba shared this photo of an armed man in FRSC uniform warning motorists to be careful but didn't say which area. What he wrote below:

"Motorists beware. Road Safety does not carry guns according to laws of Nigeria as of today. This is a suspected robber on the road with a road safety uniform"