The U.K.’s response basically gave Putin a green light for more attacks, says activist Bill Browder.
The toxin likely used in a recent nerve attack was built during the Soviet era.
"I think national measures will be applied already starting from next week... from a lot of countries."
“They want to simultaneously deny it and yet at the same time to glory in it.”
Prime Minister Theresa May announced a raft of sanctions against Russia on Wednesday, including expelling diplomats, severing high-level contacts, and freezing assets.
Russia has until midnight to explain how a rare Russian-made nerve agent showed up in an attack on a British spy.
Investigators had called in members of the military with expertise in biological and chemical weapons