President Vladimir Putin said on Friday that certain "ill-wishers" were stepping up efforts to destabilise Russia and urged members of his cabinet not to allow this "under any circumstances".
He said Russia's Security Council would discuss ensuring security in the context of what he said were "extremely important" issues concerning relations between the vast country's 190 ethnic groups.
"Today, we will also be addressing these issues in terms of ensuring Russia's security, in this case domestic political security," he said.
Since sending tens of thousands of troops into Ukraine in February 2022, Russia has intensified its crackdown on dissenting voices and pushed the remainder of its beleaguered liberal opposition abroad.
Putin has repeatedly called on Russia to unite in the face of "existential threats" from the West, but has occasionally faced animosity from ethnic groups who feel particularly targeted by Moscow's mobilisation drive.
In March, Moscow outlawed the Free Nations of Post-Russia Forum, an organisation founded by opposition activists that advocates independence for Russia's multiple ethnic groups.
Portugal's authorities have said that between July 27 and August 15, 1,331 excess deaths from extreme heat were reported, with the over 75 age group particularly hard hit, Euronews reported on Saturday.
A tour bus carrying more than 50 people veered out of control and rolled over on an Upstate New York highway on Friday, killing at least five people and injuring dozens of others, authorities said.
Foreign ministers from European countries, Australia and Britain on Friday jointly condemned Israel's plans to construct a settlement east of Jerusalem.
Famine has struck an area of Gaza and will likely spread over the next month, a global hunger monitor determined on Friday, an assessment that will escalate pressure on Israel to allow more humanitarian aid into the war-torn Palestinian enclave.
North Korean leader Kim Jong Un lauded his country's "heroic" troops who fought for Russia in the war against Ukraine, in a ceremony where he decorated returning soldiers and consoled children of the bereaved with hugs, state media said on Friday.