Yemen's new Shi'ite Muslim powerbrokers sent fighters towards an al Qaeda stronghold on Wednesday, raising the possibility of clashes between the politically ascendant Houthi movement and the hardline Sunni Muslims of the militant network.
An agent with the FBI is due to take the witness stand on Wednesday in the trial of a friend of the accused Boston Marathon bomber.
China's disgraced former domestic security chief, Zhou Yongkang, looks set to be expelled from the ruling Communist Party at a key meeting next week, sources said, possibly paving the way for his formal prosecution.
Russia has joined Iran in suggesting that a late November deadline for reaching an agreement to end a long-running dispute over Tehran's nuclear program may need to be extended.
