GUNMEN assassinated an eastern Libyan commander wanted for war crimes yesterday, medics said, underscoring the risks of violent escalation on the ground that poses the biggest challenge to Libya's new unity government. 06Mahmoud al-Werfalli was shot from a car outside a hospital in Benghazi alongside two of his bodyguards, military sources said, amid growing friction between rival factions in eastern Libya. Werfalli was a commander in an elite unit attached to Khalifa Haftar's Libyan National Army (LNA), a coalition of forces that has dominated eastern Libya in recent years. The International Criminal Court (ICC) in The Hague has indicted Werfalli…