New York's governor denies wrongdoing and orders an external inquiry after claims by a second ex-aide.
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By Frank Gardner
BBC security correspondent
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Video caption: US 'confident' in Syria strike on Iran-backed militias The defence secretary says "we know what we hit", after the first military action under Joe Biden.
By The Visual and Data Journalism Team
BBC News
US reopens child migrant detention facility
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Video caption: This resurfaces the issue of how the US looks after unaccompanied minors This resurfaces the issue of how the US looks after unaccompanied minors.
US raises human rights with Saudi Arabia
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Video caption: A friend of the murdered Saudi journalist Jamal Khashoggi gives his reaction A friend of the murdered Saudi journalist Jamal Khashoggi gives his reaction.