Britain, Ukraine sign 100-year agreement

Ukraine's President Volodymyr Zelenskyy, right, shakes hands with Britain's Prime Minister Keir Starmer in Kyiv, Ukraine, after signing a 100-year agreement that pledges to strengthen defense ties between the two countries, Jan. 16, 2025.

Britain and Ukraine signed a 100-year agreement Thursday, with Britain pledging to provide Ukraine with $3.6 billion in military aid this year.