Ukrainian officials say a missile and drone attack killed dozens, right as the U.S. Army secretary arrived to push for peace talks.

Ukraine hasn't previously stated openly that it uses the advanced U.S.-provided ballistic missile systems on targets inside Russia.

The Trump administration has been quietly hammering out a new peace plan with Russia to end its war with Ukraine, a person familiar with the talks told CNN.

It's not clear how far the U.S. administration will go in bearing down on Venezuela, as its largest aircraft carrier nears.

The Coast Guard detected a Russian intelligence ship near U.S. waters off Hawaii, prompting a military response and ongoing monitoring of foreign vessel activities.

US President Donald Trump and Russian President Vladimir Putin have spent weeks trading threats to restart nuclear tests, an escalation kicked off by Putin’s boasts about tests of the Poseidon nuclear powered missile in late October.

American adversaries are unlikely to help President Nicolás Maduro of Venezuela fend off a concerted attack. But they have made toppling him harder.