An unmanned Delta 4 Heavy rocket lifts off from Vandenberg Air Force Base in California, USA, to put a classified satellite into orbit for the National Reconnaissance Office.
A U.N. chemical weapons expert, wearing a gas mask, holds a plastic bag containing samples from one of the sites of an alleged chemical weapons attack in the Ain Tarma neighborhood of Damascus. A team of U.N. experts left their Damascus hotel for a third day of on-site investigations into apparent chemical weapons attacks on the outskirts of the capital.
People look at a SUV submerged in floodwaters in Bamako, Mali. Torrential rains caused flash floods, washing away homes in several neighbourhoods, a government minister said.
A woman walks past a wall covered with Chinese characters from chapters of John Rawls' book "A Theory of Justice" outside an art gallery in Beijing.