First Thing: Conflict spirals in Middle East as NGO says at least 700 Iranian civilians killed
The Guardian World
by Jem BartholomewMarch 3, 2026
AI-Generated Deep Dive Summary
The Middle East is embroiled in escalating conflict as Iranian retaliatory strikes continue to target Gulf nations, Israel, and the US embassy in Riyadh. The situation has widened into a regional war, with Israeli forces now operating in southern Lebanon on the fourth day of hostilities. President Trump has warned that the conflict could extend for weeks or even longer, while legal experts question the legality of the initial US strikes under international law. Susan Breau, an international law professor, noted that there was no evidence of an imminent threat from Iran, casting doubt on the administration's justifications.
The US rationale for the war has evolved since its inception. Initially, Trump cited "imminent threats" to Americans and a desire to prevent Iran's nuclear development, while also encouraging regime change in Tehran. However, Secretary of State Marco Rubio later shifted the narrative, claiming that Israel's decision to attack Iran and the expected retaliatory targeting of US troops forced the administration to act preemptively.
European responses have been mixed. Spain denied the US permission to use jointly operated military bases for its operations against Iran, deeming them "unjustified." Meanwhile, Trump criticized the UK for delaying approval of American requests to use British airbases, highlighting potential strains in transatlantic alliances.
The conflict's disruption of the Strait of Hormuz has significant global economic implications. As a key shipping route for a fifth of the world's oil supply, its effective closure
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Originally published on The Guardian World on 3/3/2026