Separatists in eastern Ukraine on Tuesday proclaimed a new state that aspires to include not only the areas they control but also the rest of the country.
Moscow has only once before suspended the hotline, which was established in October 2015 to prevent conflict between the different forces operating in Syrian airspace.
Kindergartens, elementary schools and students in China have been attacked several times before by suspects authorities have said were mentally ill.
Hundreds were arrested, including opposition leader and protest organizer Alexei Navalny, who was seized outside his Moscow residence while heading to the rally in the city center.
BRICS comprises five major developing countries - Brazil, Russia, India, China and South Africa.
14.9 ° C