Serap sues fg fulani herdsmen killings

I think there may be a few issues with the sentence you've provided.

Firstly, "serap" is likely a reference to the Socio-Economic Rights and Accountability Project (SERAP), a non-governmental organization that promotes human rights and good governance in Nigeria.

Secondly, "fg" is likely an abbreviation for the Federal Government of Nigeria.

Lastly, "fulani herdsmen killings" refers to a series of violent attacks and killings carried out by Fulani herdsmen, a group of nomadic cattle herders, against other ethnic groups in Nigeria, particularly in the Middle Belt region.

With that said, here's a possible rephrased sentence:

"SERAP sues the Federal Government over Fulani herdsmen killings."

In this context, SERAP is likely suing the Federal Government for alleged human rights abuses and failures to protect citizens from the Fulani herdsmen attacks.