Recent strikes are hitting at the core of Russia’s economy, but they are risky, and their ultimate impact is uncertain.

On November 28, Ukrainian Sea Baby unmanned surface vessels (USVs) struck two Russian oil tankers, the Kairos and the Virat, in the Black Sea. The tankers are part of Russia’s shadow fleet, a group of ships that Russia uses to evade Western sanctions.

U.K. citizen Ross David Cutmore detained in Ukraine for allegedly working with Russian FSB to plan assassinations and gather military intelligence.

Meetings between Russian President Vladimir Putin and US negotiators did not yield a breakthrough on a possible Ukraine peace deal. Follow for live updates.

The Turkish Foreign Ministry spokesman has condemned Ukrainian drone attacks on two Russian “shadow fleet” oil tankers in the Black Sea

Military commanders told President Vladimir Putin in comments reported on Monday that Russian forces had captured the frontline Ukrainian towns of Pokrovsk and Vovchansk and were advancing elsewhere,

Moving between damp basements and muddy dugouts to fend off constant Russian attacks in the nearly 4-year-old war, exhausted Ukrainian soldiers say their motivation is fortified by knowing they're fighting for higher cause: the defense of their homeland.

The missile-armed Shahed appears to be Russia's attempt to counter Ukrainian aircraft. A Ukrainian defense manufacturer said Monday that its interceptor took down a Russian drone armed with an air-to-air missile, an unusual configuration signaling a new battlefield tactic.