Armenian Prime Minister Nikol Pashinyan announces he has signed a deal with Azerbaijan and Russia to end the war by Tuesday morning. A Kremlin spokesman confirms the deal. Later, Azerbaijan's president Ilham Aliyev says a "trilateral agreement" has been signed. President of Russia Vladimir Putin says Russian peacekeepers will be deployed. The agreement cedes several districts to Azerbaijan, including the Lachin District. The agreement will also establish a transport corridor through Armenia, linking Azerbaijan to Nakhchivan.
A bomb goes off in a supermarket in the Russian city of Saint Petersburg, injuring at least 10 people. Police say they are treating the blast as an attempted terror attack. Social media accounts linked to ISIL have claimed responsibility.
Russia's leading opposition activists Boris Nemtsov, Alexei Navalny, Ilya Yashin are jailed for 7-10 days for disobeying a police officer while protesting against the Bolotnaya square case. The previous day, in Moscow police detained over 400 people, including Nadezhda Tolokonnikova and Maria Alyokhina.