M23 takes key airport in eastern DR Congo, fears in Bukavu

• M23 fighters seized the airport serving Bukavu, sparking fears of a wider conflict.

• The capture, 30 km from Bukavu, was the last obstacle for the M23 group, causing fears of an imminent push on the city.

• The capture would give M23 total control of the vast Lake Kivu area.

• Heads of state were due to meet in Addis Ababa before the African Union summit.

• Congolese President Felix Tshisekedi was absent from the talks, instead attending the Munich Security Conference.

• The recent violence in eastern DRC has prompted international calls for de-escalation.