Nerve agent’s potency was reportedly discussed at ‘secret meeting’ by head of Germany’s foreign intelligence service

Navalny, Putin’s highest-profile critic, is recovering and able to speak again, after falling violently ill while travelling in Siberia

The novichok nerve agent used to poison Kremlin critic Alexei Navalny was “harder” than previous forms, Der Spiegel magazine reported the head of Germany’s foreign intelligence service as saying.