Ankara has stressed it wouldn't take such a step without U.N. backing.

WSJ: U.N. Vetoes to Inflame Syrian Conflict

Last year, a U.N. report accused Uganda and Rwanda of backing the M23, a charge denied by both countries.

WSJ: Fighting Breaks Out in Congo

Last year, a U.N. report accused Uganda and Rwanda of backing the M23, a charge fiercely denied by both countries.

WSJ: Fighting Breaks Out in Congo

Administration sources said the goal is to win a strong statement from Annan backing the political transition plan and a commitment to send a U.N. team to Iraq to assist with the effort.

CNN: Bremer: U.N. has 'vital role' to play in Iraq