Novichok poisoning victim's mum's tribute as it's revealed pair were exposed to 'substantially higher' dose of nerve agent than Skripals

Mum-of-three Dawn, 44, died on Sunday and her partner Charlie Rowley, 45, is fighting for life after they handled an item contaminated by the deadly…

Read More Novichok poisoning victim's mum's tribute as it's revealed pair were exposed to 'substantially higher' dose of nerve agent than Skripals