Around 400 people have marched from link to RAF Waddington against a new fleet of armed drones being based in the UK for the first time.
The drones, which were previously operated from a United States Air Force base in Nevada, are used to support ground troops in Afghanistan.
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It will be another misty and cloudy start to the day.
Another rather cloudy day, with the easterly wind continuing to bring low cloud in from the North Sea.
Some mist and hill fog tonight. Brightening up on Thursday.