Russia wants Ukraine to recognize Crimea as Russian and the Donbas republics as independent

Spokesman John Kirby said sending the planes risks escalation with Russia

The Pentagon said Poland's offer to send MiG-29 fighter jets to Germany was not 'tenable'

Zelensky used strike to reiterate his call for a no-fly zone

Revolutionary Guard: Israel will pay for this crime

The White House asked for $10 billion, including $4.8 billion for the Pentagon

Faction seen as closely aligned with al-Qaeda

Officials say the US is providing Ukraine with battlefield intelligence

Poland said it was ready to give the MiG-29 jets to the US in Germany, from where they could be transferred to Ukraine

US, France emphasize time is short to make a deal

The Saudi-led coalition launched 200 air raids in Yemen in February and 716 individual airstrikes

Russia says Ukraine has been trying to clean up traces of a military biological program funded by the Pentagon

Russia wants Ukraine to declare neutrality, recognize Crimea as Russian, and recognize the independence of the breakaway Donbas republics

Warsaw has offered to send the planes to a US base in Germany