Russia has warned that military intervention in Niger would lead to a "protracted confrontation" after regional bloc Ecowas said it would assemble a standby force.
West African nations have approved armed intervention in Niger "as soon as possible", the Ivory Coast president says, following a meeting to discuss the coup.
The six people who have been arrested in connection with the killing of Ecuadorian presidential candidate Fernando Villavicencio are Colombian, police say.
Niger’s junta leader Gen Abdourahmane Tchiani has appointed a cabinet in defiance of calls by regional leaders to restore ousted President Mohamed Bazoum.
