China arrests US citizen for ‘endangering national security’

Formal charges for businesswoman detained 6 months ago come on eve of Xi Jinping’s Washington visit
Phan Phan-Gillis
Phan Phan-Gillis in an undated photograph released by her husband

An American businesswoman has been formally arrested in China on suspicion of “endangering national security” just days before Chinese President Xi Jinping arrives in the US for his first official state visit.