CP14688947 | Turkey’s Russian air defense system irks Trump 

CP13125105 | Defense Official: Russian Ship Off US East Coast 

CP13420916 | Raw: Pro-Russians in Ukraine prepare defenses 

CP215223979 | Analyst on how delivery of first F16 fighter jets will help bolster Ukraine's defenses against Russia 

CP172773156 | Biden says US, allies to send Ukraine more air defense systems to defend against Russia's attacks 

CP149796214 | US holds firm on Ukraine, awaits Russian response 

CP26392754 | Ukraine's power plants scarred by Russian attacks 

CP151725371 | Air raid sirens ring out in Ukraine's capital 

CP13421275 | Ukraine holds crucial election 

CP13403285 | No Russian-Ukraine meeting