Nearly three thousand people have been killed in the city of Goma in the eastern Democratic Republic of Congo, according to the United Nations, after the provincial capital was captured by rebels following days of fierce fighting with the Congolese army.

Rwanda-backed rebels gained ground in eastern Congo on Wednesday despite the unilateral ceasefire they declared earlier this week, taking control of a town 100 kilometers (60 miles) from the provincial capital of Bukavu,

M23 is the latest in a long line of Rwandan-backed rebel movements to emerge in Congo's volatile eastern borderlands following two successive wars stemming from Rwanda's 1994 genocide. Rwanda denies supporting the well-trained and heavily armed Tutsi-led group.