Five of the 31 tanks have already been lost to Russian attacks in Ukraine, where the use of surveillance and hunter-killer drones had made it difficult for them to operate.

Mike Casey tells NPR that the scale of spying against the United States is "impressive and terrifying." He says: "More players are getting into it with more tools, going after more targets."

Authorities in the Russian republic of Chechnya will only allow music between 80 and 116 beats per minute, though it's unclear how the rule will be enforced.

The head of the U.N.'s atomic watchdog agency on Sunday condemned a Ukrainian drone strike on one of six nuclear reactors at the Russian-controlled Zaporizhzhia Nuclear Power Plant in Ukraine.

Russian attacks have driven out most of Chasiv Yar's residents. NPR accompanies the mayor on a routine visit to check on those who remain.

Russia's ban on Jehovah's Witnesses has led to raids, arrests and imprisonment. NPR's Scott Simon says that the religion the Russian government calls "extreme" would be better described as "devout."

It's been a year since Russia detained Wall Street Journal reporter Evan Gershkovich on spying allegations.

With Russian troops on the offensive, Ukraine's second-largest city is taking the drastic step of moving classrooms for primary and secondary education underground.

Russia is still reeling from Friday's attack. Authorities have confirmed at least 137 dead. Suspects, some showing signs of torture, have been charged. Here are other key developments.

Several gunmen wearing camouflage burst into a concert venue and opened fire. A fire broke out and some were trapped inside. Eleven people have been detained, Russian officials said.

The Ukrainian energy minister said the nighttime drone and rocket attacks were "the largest attack on the Ukrainian energy sector in recent times." At least three people were killed, officials said.

Hundreds of people have taken to the streets in recent days in the city of Santiago.

Russian President Vladimir Putin will extend nearly a quarter century of rule for six more years after wrapping up an election that gave voters no real alternatives.

Putin forever? Russia's president goes into this week's election with no serious contenders, cementing his already quarter-century hold on the Kremlin through at least 2030.

Sweden has formally joined NATO as the 32nd member of the transatlantic military alliance, ending decades of post-World War II neutrality as concerns about Russian aggression in Europe have spiked.