A three-year insurgency in Democratic Republic of Congo's mineral-rich east has intensified since the start of this year, with M23 rebels seizing control of more territory than ever before and vowing to take the largest eastern city,

Fighting has escalated sharply in recent weeks in eastern Congo, where rebels have seized key towns and are closing in on the city of Goma, the government’s last stronghold in the North Kivu province,

Gunshots rang out Sunday night in the centre of the besieged Congolese city of Goma, AFP journalists heard, after the Democratic Republic of Congo accused Rwanda of sending fresh troops