Russian airstrikes on a prison and hospital in southeastern Ukraine killed at least 19 people, officials said on Tuesday, while U.S. President Donald Trump said he would start imposing punitive measures on Russia within 10 days if Moscow showed no progress toward ending its war in Ukraine.

The last lifelines into besieged towns along the eastern frontline for Ukrainian troops, caught in a web of increasingly lethal and sophisticated drone warfare, rely on a technology millennia old: a fishing net.

U.S. tariff agreement sealed over the weekend has been described as a “dark day” for Europe and even a capitulation to American demands.

DA WEI is Director of the Center for International Security and Strategy and a Professor in the Department of International Relations at Tsinghua University.

Swivelling his selfie camera around the floor of Ukraine's parliament, opposition lawmaker Oleksiy Honcharenko beamed out a real-time view of colleagues fast-tracking legislation that would soon spark the biggest political crisis since Russia's invasion.

As the front lines froze, and air defenses got better, Russia and Ukraine pivoted away from close bombing runs to standoff attacks.

After opening a new golf course at his Aberdeenshire resort, President Trump was scheduled to fly back to the United States.

Russia's national airline, Aeroflot, said it had cancelled dozens of flights after pro-Ukrainian hackers claimed an attack on the carrier's IT systems. A statement from hacking group Silent Crow said it carried out the attack with the help of a Belarusian group Cyberpartisans.