Rafael Bardají, a former foreign affairs advisor to former Spanish Prime Minister José María Aznar (PP), met with Steve Bannon at the latter's house in the US capital last Thursday and Friday, Mr. Bardají confirmed to The Spain Report.

He gave Mr. Bannon an invitation from minority right-wing party Vox to travel to Spain, which the former Trump advisor accepted "enthusiastically".

Although Vox does not currently hold any seats in Congress, Spain's lower house of parliament, some recent polls have suggested that situation may change at the next election.

At the general election in 2...