The US Congress gave final approval to a $61 billion aid package for Ukraine late Tuesday, with President Joe Biden quickly vowing to sign the long-delayed bill and begin delivering fresh supplies this week to the war zone as Russia makes battlefield gains.Ukrainian President Volodymyr Zelensky, who visited Washington in December to plead for fresh aid, quickly thanked US lawmakers for passing the bill, saying on social media that he looks "forward to the bill being signed soon and the next mili