NATO heads of state and government launch the Ukraine Compact to support Kyiv "not just now, but for years in the future" at an event in Washington, DC. "What happens to Ukraine matters (...) quite frankly it matters to the whole world," US President Joe Biden says while the Ukrainian leader, Volodymyr Zelenskyy, praises the "significant achievement." [COMPLETES VIDI363W77T_EN] IMAGES AND SOUNDBITES