David Cameron said Argentinian President Cristina Kirchner should respect the outcome of the referendum on the Falkland Islands set to be held later this year.
The Prime Minister said if Falkland Islanders wanted to remain part of Britain, they would have his "100 per cent backing".
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Hundreds of services have been cancelled or significantly delayed since schedules were changed on May 20.
Harjit Bariana, 46, was convicted by a jury at Newcastle Crown Court.
A number of BBC stalwarts could be in the running.