News agency Reuters has been forced to admit that footage it released last week purportedly showing Russian submersibles on the seabed of the North Pole actually came from the movie Titanic. The images were reproduced around the world - including by the Guardian and Guardian Unlimited - alongside the story of Russia planting its flag below the North Pole on Thursday last week. Titanic error: Reuters issued this film still with a story about the Russian flag being planted beneath the North Pole. Photograph: Reuters