Meanwhile, President Donald Trump has told a White House event the US is striking Iranian drone and missile systems "every single hour".
President Masoud Pezeshkian says Iran won't attack first - but Qatar defence ministry says it has intercepted a missile.
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Huge explosions rock major Tehran airport as residents tell BBC of 'second terrible night in a row'
Trump Demands Iran's 'Unconditional Surrender' BBC News This video can not be played President Trump has said there will be ...
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