Russian Foreign Minister Sergey Lavrov said the summit will be held in Africa.
Several African governments have cut ties with traditional Western allies and are looking to Moscow.
The results of the elections are expected Monday
Analysts expect the US foreign policy to change with the entry of Trump into the White House.
Engonga is a nephew of President Teodoro Obiang Nguema and one of those thought to be hoping to replace him.
The meeting is part of efforts to enhance the skills of the police in country.
Many pregnant women in rural Nigeria unable to receive emergency medical care, partly due to the cost
"Russia strives to establish natural, mutually beneficial cooperation with Africans."
Nidaa Al-Wasat volunteer group said the city has become a large prison