First Thing: Trump announces extension of Iran ceasefire until ‘discussion concluded’

U-turn comes after Trump said the US military was ‘raring to go’. Plus, Virginia voters pass new congressional maps in blow to presidentDon’t already get First Thing in your inbox? Sign up hereGood morning.Donald Trump unilaterally announced an extension of the two-week ceasefire with Iran on Tuesday amid frantic efforts to bring the two sides back to the negotiating table.How are Trump’s negotiating tactics being received? The president’s impatience and rough-house diplomatic style, including his frequent online posting, has been a key stumbling block to restarting peace talks, writes the Guardian’s diplomatic editor, Patrick Wintour.Is Tehran united on how to deal with Washington? Analysts say it is not, with fierce disagreement among Iranian leaders over how to respond to US pressure an