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

Russian opposition leader Alexei Navalny pays respect to founder of Russia’s oldest human rights group and Sakharov Prize winner Lyudmila Alexeyeva in Moscow, Russia December 11, 2018. Photo:Reuters
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.