Russian opposition leader Alexei Navalny posted a picture of himself from his hospital bed in Germany on Tuesday, saying that he was enjoying the ability to finally breathe on his own after being poisoned with a nerve agent.

By Vladimir Isachenkov, David Rising, Associated Press

British police say a woman who was exposed to a nerve agent in southern England has died.

By Associated Press

A couple in their 40s were poisoned by the same lethal toxin — developed by the Soviet Union — that almost killed Sergei Skripal and his daughter Yulia in March.

By Matt Dunham, Gregory Katz, Associated Press