Canadian Prime Minister Mark Carney, right, and Ukraine's President Volodymyr Zelenskyy, speak after signing agreements in Calgary, Alberta, Canada, Thursday, Sept. 10, 2026. (Jeff McIntosh/The Canadian Press via AP)

Canadian Prime Minister Mark Carney speaks to the media at a cabinet retreat in Banff, Alberta, Thursday, Sept. 10, 2026. (Jeff McIntosh/The Canadian Press via AP)

Ukrainian President Volodymyr Zelenskyy's plane arrives in Calgary, Alberta, Wednesday, Sept. 9, 2026. (Jeff McIntosh/The Canadian Press via AP)

President of Ukraine Volodymyr Zelenskyy and his wife Olena Zelenska arrive in Calgary, Alberta, on Wednesday, Sept. 9, 2026. (Jeff McIntosh/The Canadian Press via AP)

President of Ukraine Volodymyr Zelenskyy and his wife Olena Zelenska arrive in Calgary, Alberta, on Wednesday, Sept. 9, 2026. (Jeff McIntosh/The Canadian Press via AP)

Ukraine President Volodymyr Zelenskyy, left, and Canadian Prime Minister Mark Carney meet in Calgary, Alta., Thursday, Sept. 10, 2026. (Jeff McIntosh/The Canadian Press via AP)

Canadian Prime Minister Mark Carney, right, and Volodymyr Zelenskyy, president of Ukraine, meet in Calgary, Alta., Thursday, Sept. 10, 2026. (Jeff McIntosh/The Canadian Press via AP)

Defense attorney Kevin Reddington and defendant Lindsay Clancy listen to Judge William Sullivan speak with the jury after declaring a mistrial at court in Plymouth, Mass., on Friday, Sept. 4, 2026. (Greg Derr/The Patriot Ledger via AP, Pool)