The president has doubled down on his claims that terrorists with foreign backing are behind the protests, which began this week over fuel prices then snowballed.
The Russia-led security bloc will be sending peacekeeping forces, the first time in its history that its collective security provision has been exercised.
There was much to discuss just over a year after the end of the war, including ongoing border tensions, plans to reopen borders and transportation, and the fate of Armenian prisoners.
The question of whether Uzbekistan should join the Russia-led Eurasian Economic Union, with its single market of 184 million people, has provoked fierce debates.
Eldor Shomurodov’s success making it into one of Europe’s most important national football leagues has generated a fresh flurry of ambition among young Uzbek players.