F.B.I. agents on Friday searched the home of John R. Bolton, President Trump’s former national security adviser, people familiar with the investigation said, in what amounted to a major escalation in...

Federal Bureau of Investigation agents have searched the home of John Bolton, Donald Trump's former national security adviser, who has become a vocal critic of the US President.

Vice President JD Vance said classified documents are "certainly part of [the investigation]" and also alluded to "broad concern" about Bolton, without offering further detail.