Pakistan, May 11 -- US President Donald Trump has dismissed Iran's latest response to a US-backed peace proposal as "totally unacceptable," signalling fresh uncertainty over diplomatic efforts to end the 10-week conflict that has destabilised the Middle East and disrupted global energy markets.

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In a post on Truth Social, Trump said he had reviewed Iran's reply and found it unsatisfactory, without elaborating on the specific objections. His remarks came shortly after Iranian state media reported that Tehran had submitted a response centred on ending hostilities across the region, particularly in Lebanon, while also seeking guarantees for maritime security in the Str...