Democratic Republic of Congo's M23 rebels are moving south towards Bukavu, the capital of South Kivu province, in what appears to be an attempt to expand their area of control in the country's east after capturing the city of Goma.

A Rwanda Defence Force (RDF) soldier stands in position at the Grande Barrier border amid clashes between M23 the Armed Forces of the Democratic Republic of the Congo (FARDC), at the border crossing point at Gisenyi,

Rwanda-backed rebels captured large parts of Goma, the biggest city in eastern Congo, including its airport, the United Nations said, as Rwanda's president on Wednesday joined calls for a ceasefire in the decadeslong conflict amid mounting international pressure.