The Philharmonie de Paris concert hall descended into chaos after pro-Palestine activists let off smoke bombs during a concert by the Israel Philharmonic Orchestra. Four people were arrested on Thursday night after the concert was interrupted three times. Red flares enveloped the hall in clouds of smoke during a performance of Beethoven and Tchaikovsky. Appalled concertgoers tackled the protesters while punches rained down and objects were thrown. Security eventually expelled the troublemakers, and the orchestra, led by Israeli conductor Lahav Shani, was able to resume and received a standing ovation at the end. In a statement, the Philharmonie confirmed it...