Russian President Vladimir Putin delivered a speech (information picture) Overseas network, May 12, according to the Russian satellite network, the press secretary of the Russian President Peskov said on the 12th that the summit of the collective security treaty organization will be held in Moscow on May 16, and Russian President Vladimir Putin will attend. Peskov has revealed that the summit may involve the situation in Ukraine. Peskov said that the summit is on the 30th anniversary of the e...