整理：中东局势跟踪（4月19日）

Group 1 - The U.S. airstrike on Yemen's fuel port resulted in 58 fatalities and 126 injuries, according to Houthi media [1] - Pakistani police arrested dozens following multiple attacks on KFC, driven by anti-American sentiment and opposition to Israel [1] - U.S. Secretary of State Rubio stated that Europe needs to decide whether to reimpose sanctions on Iran as it approaches nuclear weapon development [1] Group 2 - Russian Foreign Minister Lavrov indicated that Iran is ready to seek an agreement within the framework of the non-proliferation treaty [1] - Iranian Foreign Minister expressed a desire for Russia to play a role in a potential agreement regarding Tehran's nuclear program [1] - An Iranian senior official stated that Iran seeks guarantees that Trump will not withdraw from the new nuclear agreement, emphasizing that Iran will not dismantle centrifuges, will not reduce uranium enrichment to zero, and will not negotiate its missile program [1] - Sources reported that U.S. National Security Advisor Waltz and Secretary of State Rubio support striking against Iran's nuclear capabilities [1]