Navalny was detained upon arrival in Moscow, with authorities saying he'd violated his probation.
"CISA expects that removing this threat actor from compromised environments will be highly complex and challenging for organizations," the agency under the Department of Homeland Security warned.
Ratcliffe said he's tired of "people using the intelligence community to leverage some political narrative."
In an Instagram post, the Russian opposition leader shared that he was able to breathe on his own. His press secretary said he'd return to Russia.
Tens of thousands have taken to the streets in Russia's far east for the past three weekends.
Only 21 percent of Russian doctors said they trusted the reported COVID-19 death toll.
Former FBI Director James Comey conceded he was "overconfident" in his defense of the FBI's use of the FISA court to investigate members of the Trump campaign for Russian interference in the 2016 election.
Clinton has called Gabbard "the favorite of the Russians." Gabbard hit back, calling the failed 2016 presidential hopeful the "queen of warmongers."
Alisa Adamova from St Petersburg was under water for 15 minutes at he hotel in Bodrum, Turkey.
"There's absolutely no doubt that the Russians were interfering with the election for the purpose of helping the Trump campaign," Andrew McCabe said.
MSNBC's Brian Williams and Nicole Wallace interrupted Senate Judiciary Committee Chairman Lindsey Graham's claim there was "no collusion" found in Robert Mueller's report, offering a rare real-time fact-check Wednesday.
National Security Adviser John Bolton accused a CNN host of picking a fight after he was pressed about a scheduled call with the Russians he mentioned just moments before on Fox News.
Vladimir Putin is making Russian passports more easily available to Ukrainians living in the self-proclaimed republics of Donetsk and Luhansk, where pro-Kremlin separatists have been battling Kiev forces.
"What's he trying to keep secret?" asked Democratic Representative David Cicilline of Rhode Island.
Around 130 kindergarten-age children Moscow fell ill with dysentery after eating food from Concord Catering, the company owned by Yevgeniy Prigozhin, known as "Putin's Chef."
"The main goal of this work is to ensure the military security of this country without increasing the current budget expenditures or joining an arms race," Russia's defense minister said.
Election interference is not the main thing Americans should be worried about, said an adviser to the Russian president.
He may also be involved in another poisoning incident in Bulgaria, investigators said.
Some analysts say that Ukraine's spy chief is exaggerating the impact sanctions are having on Putin.
The escort was deported from Thailand on January 17 and detained in Moscow on her way home.
Natalia Veselnitskaya is accused of obstructing justice in a New York-based money laundering investigation that ended in 2017.
Andrei Karlov was shot during a press conference, allegedly by 22-year-old Mevlut Mert Altinas, who screamed, "Don't forget Aleppo! Don't forget Syria!" immediately after the killing.
A 35-year-old Russian woman and a 4-year-old boy were allegedly killed.