Restrictive measures were imposed against the head of Russia's military intelligence agency. The 2015 attack resulted in a "significant amount of data" being stolen and affected Chancellor Angela Merkel's email account.
Around two-thirds of respondents in France (64%), Germany (67%) and Italy (68%) agreed not sufficient action was being taken in Europe. UK respondents agreed but in lower numbers (57%).
Germany on Thursday recorded its highest daily number of reported COVID-19 cases since late March and early April.
"Any use of chemical weapons is serious and cannot be without consequences," Germany said after the OPCW confirmed that Alexei Navalny was poisoned with Novichok.
East Germany joined the western federal republic on October 3, 1990, following the collapse of the Soviet regime less than a year before.
Less than a year after the Berlin Wall came down, Germany was a united country again.
It's 30 years since German reunification on 3 October.
Germany has published a list of 90 potential nuclear waste repository sites
Christian Lueth was fired by the far-right #AfD party in #Germany after he was reportedly caught on camera saying migrants coming to the country “could still be shot later on...or gassed."
The opposition figure was in hospital in Berlin being treated for Novichok poisoning when Merkel came to the hospital for "a private meeting".
Despite the popularity of the far-right Alternative for Germany (AFD) in the region, the German town of Neuruppin has said it is keen to welcome migrants to move to and settle in the town.
Germany's Greens won several mayoral races in North Rhine-Westphalia, the country's most populous state.
The demonstrators say the government's commitment to abandon fossil fuels by 2038 is not serious enough.
The 43-year-old German national is currently in prison on drug trafficking charges but will be released in January. Prosecutors fear he will vanish if his appeal is upheld.