Soldiers have been stationed outside AWE Aldermaston & Burghfield, where Britain's nuclear deterrent is maintained.
Reading Man Killed Fighting IS In Syria
It's reported a man from Reading has been killed fighting the so-called Islamic State in Syria.
22-year-old Dean Carl Evans had been with a group of Kurdish forces.
In a post on Facebook, his Dad John, who lives in Oxford said Dean "was loved and will be missed by all his family and friends".
Adding, "I would like to say a massive big thank you to all my friends and family who sent their condolence for the loss of my son.
"He would have been very proud and would have regarded you all as his brothers and sisters, thank you again."
Police say two men, arrested after reports of people acting suspiciously near barracks in Windsor, have no links to terrorism
Two men have been arrested after "acting suspiciously'' outside a barracks.
The UK's terror threat level's been raised to the highest possible. Here's what it means for the Thames Valley.
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