Man convicted of spying for Britain critically ill after exposure to unknown substance. Sergei Skripal was granted refuge in the UK following a “spy swap” between the US and Russia in 2010. He and a woman were found unconscious on a bench at a shopping centre in England on Sunday. Also: several countries suspend imports of meat products from South Africa after a deadly listeria outbreak, and Mexican police arrest five alleged kidnappers who demanded payment in Bitcoins.