France, Feb. 15 -- Neither Rwandan President Paul Kagame nor his Congolese counterpart Felix Tshisekedi attended Friday's AU meeting.

A Congolese government source told AFP Tshisekedi would not attend the summit over the weekend either, saying: "He must closely follow the situation on the ground in DRC."

Tshisekedi, speaking at the Munich Security Conference on Friday, urged nations to "blacklist" Rwanda, condemning Kigali's "expansionist ambitions".

Having captured the key provincial capital of Goma last month, the Rwandan-backed armed group M23 pushed south.

Rwanda has not admitted backing M23 but has accused extremist Hutu groups in DR Congo of threatening its security.Weak talks

As the AU summit opens, observers have branded the ...