Congo’s president says he is going to launch a unity government, as violence spreads across the country’s east and pressure mounts over his handling of the crisis.

Congolese President Felix Tshisekedi will launch a unity government, his spokesperson said on Saturday, as he faces domestic pressure over his handling of an offensive by Rwanda-backed M23 rebels in eastern provinces.

M23 rebels, supported by about 4,000 troops from neighboring Rwanda, according to UN experts, have been leading an insurgency in the central African country since last month. The rebels captured the eastern city of Goma,

Rwanda-backed rebels in eastern Congo have claimed that they have seized a second airport in the region following a days-long advance towards the Kavumu airport.

M23 rebels in the Democratic Republic of Congo have captured the eastern city of Bukavu with the backing of Rwandan forces, the second major city in the mineral-rich Kivu region to fall in three weeks.

The United Nations Security Council condemned Rwanda for backing a rebellion in eastern Democratic Republic of Congo and ordered its troops to withdraw from the country.