The boos began when the image of the president appeared on the giant screen of the stadium and stopped when television showed soldiers present at the stands.
However, spectators began to shout "Lock it up!" ("Lock him up!"), A slogan that Donald Trump used against Hillary Clinton, his rival in the 2016 presidential election.
Driven by the Democrats, the House of Representatives of the United States initiated an investigation of the impeachment of Donald Trump, suspected of having pressured the Ukrainian president to obtain compromising information about former Vice President Joe Biden, a possible rival in the presidential elections of 2020.RELATED