President Donald Trump called a Secret Service agent's alleged attempt to smuggle wife onto cargo plane during Scotland trip a "strange story" as agency launches investigation.

According to RealClearPolitics, which first reported the story, the Secret Service agent was based in Dallas. The agent reportedly flew his wife to Maryland, where she received a briefing about the Scotland trip at a hotel before taking a bus to the visitor lounge at Joint Base Andrews. That’s where she was told to leave, sources told the outlet.