World News liveblog
Steve Holland reports: U.S. President Barack Obama on Monday called the attack in a Nairobi mall a "terrible outrage" and said the United States was providing all the cooperation it could to Kenya.
"We stand with them against this terrible outrage that occurred," Obama said during a meeting with Nigerian President Goodluck Jonathan in New York.
Both men, who are in town for the United Nations General Assembly, expressed condolences to Kenyan President Uhuru Kenyatta. "I feel the pain of President Kenyatta ... terror anywhere is terror on all of us," Jonathan said.
WASHINGTON/MOSCOW The United States warned Syria's leadership against staging a chemical weapons attack after Washington detected what appeared to be active preparations at a Syrian airfield used for such an attack in April, U.S. officials said on Tuesday. | Video