The United States has told its allies that it does not plan to participate in military exercises in Europe, according to reports.The move, the latest in Donald Trump’s pivot away from the bloc, would see America pull out of exercises beyond those already scheduled for this year.The withdrawal concerns exercises that are on the “drawing board”, according to Swedish newspaper Expressen.It means that Nato countries will be forced to plan exercises without the participation of the US military, the largest in the alliance.