this is bbc news. i m sally bundock, with the latest headlines for viewers in the uk and around the world. britain s prime minister embarks on a fresh round of diplomacy, hoping to ease tensions over ukraine. as the blockade of ottawa continues, local car makers on both sides of the border warn production is being hit. protests spread across india against a ban on the muslim headscarf in some colleges in one southern state. and time takes its toll on this picturesque cornish village, struggling to survive as its main industry declines. hello, and welcome.