At least three people are wounded as a result of explosions in the Russian Belgorod region.
Missile defense systems have been activated to repel rockets reportedly launched from across the Ukrainian border.
Eleven people are killed, and another 15 wounded, in a terrorist attack at a Russian military base.
It was during a live-fire exercise for volunteers training to fight in Ukraine.
The Chinese Communist Party's 20th Congress kicks off with thousands of delegates sitting down in Beijing to define the country's future amid increasing US activity around Taiwan.
Riyadh turns down Washington's request to delay its oil production cut for a month, causing another stand-off between the two countries.
The timing coincides with mid-term elections in the United States.
