Order is first known legal summons issued to a member of US president's family in the ongoing probe of meddling in 2016 election

Move comes after US president invokes executive privilege to block lawmakers from full Mueller report on Russian interference in the 2016 election

President tightens the screws with sanctions on Tehran's mining industry, after it moves to suspend part of obligations under nuclear deal

US measures on all trade of Iranian iron, steel, aluminum and copper come hours after Islamic Republic partially left nuclear deal, threatened to step up uranium enrichment

Decision comes as House Judiciary Committee meets to consider holding attorney general in contempt of Congress over failure to release report

Announcement by Trump aide comes hours after Tehran announced it was setting up possible return to high-level uranium enrichment

Even though Trump moved the embassy last year, he continued to sign the waiver until the ambassador's official residence moved to the capital in March

Visit to Baghdad a show of support for Iraqi government as Washington squeezes Iran, heightening tension in the region

Trump's ex-lawyer heading to Otisville Federal Penitentiary next week, a favorite among prison-bound Jews for its kosher meals and holiday observance

Sources say US president responded 'affirmatively' to request from Egypt's Sissi, but move faces opposition in Pentagon and among some top advisers