The former senior counterterrorism official Joe Kent reportedly faces an investigation into whether he leaked classified information.

The FBI is investigating Donald Trump's former top counter-terrorism official - who resigned from the role earlier this week - over alleged leaks, sources have told CBS News, the BBC's US partner.

Kent, who has previous connections to right-wing extremists, said Israeli Prime Minister Benjamin Netanyahu and other Israeli officials personally lobbied Trump, often with information that U.S. offic...