ISTANBUL The US aid to Ukraine was provided as grants, not loans, said Ukrainian President Volodymyr Zelenskyy on Sunday, rejecting claims that $500 billion in assistance should be treated as debt. Washington gave Kyiv $100 billion in aid during three years of war, Zelenskyy told reporters at a news conference, adding that they need to sign an agreement that will be a "win-win" for both the US and Ukraine and "pleasant" for both parties. Zelenskyy expressed his readiness to leave his post "if