The US President's Chief of Staff, Denis McDonough, has said that the election of Hassan Rouhani to the Iranian presidency is a "potentially hopeful sign".
He added that Rouhani "will find a partner in us" if he lives up to his nation's obligation to "come clean" on its nuclear programme.
More top news
Donald Trump's press secretary will hold his first full briefing today after a weekend in which the administration clashed with the media.
Police have confirmed "several firearms" were being used on the set in Australia when a man, who was in his 20s, was shot and killed.
All weekend it felt as though the new administration had a self-destruct button and was desperately searching for it.