Novichok used on Navalny 'harder' than previous forms - Spiegel
A delegation from the Organisation for the Prohibition of Chemical Weapons (OPCW) was said to have visited at the weekend the hospital in Berlin where Navalny is being treated
The Novichok nerve agent used to poison Kremlin critic Alexei Navalny, who is in intensive care in a Berlin hospital, was 'harder' than previous forms, Der Spiegel magazine said the head of Germany's foreign intelligence service told a secret meeting.
Spiegel, without naming a source, added that a delegation from the Organisation for the Prohibition of Chemical Weapons (OPCW) was said to have visited at the weekend the hospital in Berlin where Navalny is being treated.