21 September 2012
Last updated at 13:20
Robotic searchlights illuminate the night sky over the Benjamin Franklin Parkway in Philadelphia. The interactive light installation, by artist Rafael Lozano-Hemmer, titled Open Air, was commissioned by the Association for Public Art.
Indian policewomen detain a member of Kashmir's separatist women's organisation, Dukhtaran-e-Milat, or Daughters of the Faith, during a protest against a US film the group considers blasphemous to Islam.
Boise State University running back DJ Harper is tackled by Brigham Young University defenders Jordan Johnson and Kyle Van Noy in the first half of an American football game at Bronco Stadium, Idaho.
Models display creations as part of Moschino Spring-Summer 2013 collection during Women's Fashion Week in Milan.
The Space Shuttle Endeavour on Nasa's Shuttle Carrier Aircraft at the Dryden Flight Research Centre at Edwards Air Force Base, California.
A male panda cub is examined by veterinarians at San Diego Zoo.
Firefighters and rescue workers try to put out a blaze caused by the blast of a bomb hidden in a pick-up truck in the Saiburi district of Pattani province, southern Thailand.
Apple Store employees create a tunnel for customers as they are allowed into a London shop to buy the new iPhone 5. Apple has responded to fierce criticism of its mapping software, saying the application will "improve".
Turkmen Basij militiamen march in Tehran during an annual military parade marking the anniversary of Iran's eight-year war with Iraq.
People sit in a commuter train decorated with graffiti art depicting episodes of Russian history, in St Petersburg. The train will travel to Novgorod, the ancient capital, as part of celebrations for the 1,150th anniversary of Russia's statehood.