News from Dubai:

A father-of-three who was found with a microscopic speck of cannabis stuck to the bottom of one of his shoes has been sentenced to four years in a Dubai prison. Keith Brown, a council youth development officer, was travelling through the United Arab Emirates on his way back to England when he was stopped as he walked through Dubai's main airport.

A search by customs officials uncovered a speck of cannabis weighing just 0.003g - so small it would be invisible to the naked eye and weighing less than a grain of sugar - on the tread of one of his shoes.

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