Enforcing a no-fly zone means shooting down Russian planes and bombing Russian air defenses

Zelensky asked for S-300s in his plea to Congress on Wednesday

Over 400 Western companies have withdrawn from Russia

<I>Yahoo News</I> reports that the CIA sent paramilitaries to the frontlines of the Donbas war to train Ukrainian forces in 2014

Houthi gains mount, nearing Saudi border

Russia would likely view any NATO deployment into Ukraine as the alliance entering the war

Processing will provide medical isotopes

The White House says Sullivan told the secretary of the Russian Security Council that the US will keep 'imposing costs' on Russia

Move would be part of side deal to deescalate regional tensions

The package also includes anti-aircraft missiles and anti-tank missiles

<I>Reuters</I> reported that the Saudi-based GCC plans to invite the Houthis to Riyadh for talks

$535 million debt settled after decades

<I>Financial Times</I> reports the two sides have drawn up a neutrality plan

Zelensky wants the US to impose a no-fly zone, which would require the US to shoot down Russian planes and bomb Russia's surface-to-air missiles

Talks were held via video link on Tuesday and will continue on Wednesday