Robert Hill called in sick to work when he heard about what was happening in his Bethesda, Maryland. Every major cable news network was broadcasting from a house just a few streets away, but Hill had to see it for himself.

FBI agents have been searching the home of Donald Trump's former national security adviser John Bolton, US media reports. Photos posted by some US news outlets show police vehicles and personnel in the area near Bolton's home in the Washington DC suburb of Bethesda, Maryland.

An investigation seeks to determine whether Mr. Bolton illegally shared or possessed classified information, according to two people familiar with the case.