After capturing Goma, the main city in North Kivu province, last week, the M23 and Rwandan troops launched a new offensive on Wednesday in a neighbouring province.

Goma remains “under occupation” by Congo’s M23 rebels and the ceasefire they announced has been broken as their forces engage in heavy fighting along the main route to South Kivu’s main city Bukavu.

By David Lewis and Sonia Rolley NAIROBI (Reuters) - As Rwanda-backed M23 rebels in eastern Democratic Republic of Congo push south towards the city of Bukavu, they are likely to have to fight their way through thousands of troops from Burundi,