@CNN: Britain’s Boris Johnson says the UK would respond “robustly” if Russia is found to be behind the suspected poisoning of a former double agent https://t.co/2uHPkEHpm3 https://t.co/ZlJZp5faxJ

@CNN: Britain’s Boris Johnson says the UK would respond “robustly” if Russia is found to be behind the suspected poisoning of a former double agent https://t.co/2uHPkEHpm3 https://t.co/ZlJZp5faxJ