The searches, seemingly the most significant public step the Justice Department has taken against a perceived enemy of the president, are likely to elicit fresh concerns that the Trump administration is using its law enforcement powers to target the Republican's foes.

The FBI searched the home of former Trump official John Bolton as part of an investigation into the handling of classified information, according to officials.

He clashed with the president over policies toward Iran and North Korea during his 18-month tenure in President Trump’s first term and has maintained a drumbeat of public criticism so far during the s...