Thousands are expected at RAF Fairford in Gloucestershire for the world's biggest military air show.
The Royal International Air Tattoo opens to the public today. Prince Charles is expected to attend.
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Firefighters are currently dealing with the fire- smoke can be seen from where crowds are gathering to watch England vs Australia.
Rosie Mai has given herself an incredible challenge - she wants to walk the length of the UK, pushing her bed every step of the way.
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