Three of the 12 Secret Service agents involved in the Colombia prostitution scandal refused to cooperate with authorities and submit to a polygraph test, according to House Homeland Security Committee Chairman Peter King.

Thousands of people trying to return to South Sudan from Sudan have been stranded for months at the Kosti way station and are running out of “means of support,” a United Nations official said Tuesday.

Vast and inhospitable, the Namib Desert in south west Africa is a land of ghosts. Along a notorious stretch of shoreline known as the Skeleton Coast lie the wrecks of ships stranded in the morning seafogs.

CNN has obtained details on al Qaeda documents, encoded on a porn video, that help shed light on future plans, including the seizing of cruise ships and attacks on Europe.

President Barack Obama marked the first anniversary of the death of terror mastermind Osama bin Laden with an unannounced trip to Afghanistan, where he reiterated that U.S. troops will not remain in the country “a single day longer” than necessary.

A court in Bahrain has quashed the life sentence of a prominent activist who has been on a hunger strike, sending his case to the Supreme Court, along with 20 others, the country’s official news agency reported Monday.