John Miller and his Chinese 'handler' Cui Guanghai were arrested in Belgrade after an FBI sting operation in April, just hours before they were due to fly to Beijing .

A British businessman accused of spying for China and his 'handler' have escaped from house arrest in Serbia after removing their electronic tags.

John Miller and his Chinese 'handler' Cui Guanghai were arrested in Belgrade after an FBI sting operation in April, just hours before they were due to fly to Beijing .