Brian Smith suffered a severe reaction to a false widow bite that has led him to warn others about British spiders ...

Horrifying photos show how his hand, arm, leg and even foot ballooned up as the venom ran rampant through his body.

A dad issued a warning over spiders in the UK - after a false ... believes he was bitten by a venomous false widow spider - whose bites produce necrosis of the flesh. He now checks his bedsheets ...