Saturday Evening Links

[AP] Ukraine in fierce fight against advancing Russian forces

[CNN] Russian invasion runs into stiff resistance, supply lines are a 'definite vulnerability,' US officials say

[Reuters] Western allies to expel some Russian banks from global system; Ukraine vows to fight on

[CNN] Two vast explosions seen in Kyiv appear to be around Vasylkiv: Live Updates

[Reuters] Ukraine launches 'IT army,' takes aim at Russian cyberspace

[Reuters] Investors brace for volatility as West moves to cut Russia off from SWIFT

[Reuters] Emotional Swiatek voices support for Ukraine after Doha title win