The Mayor of Amsterdam said emergency measures will now be in place after a night of violent clashes in the city. Femke Halsema said Maccabi Tel Aviv supporters were “attacked, abused and pelted with fireworks” and that riot police intervened to protect them and escort them to hotels. Videos on social media showed riot police intervening in clashes, with some attackers shouting anti-Israeli slurs. It was also reported that Israeli supporters were chanting anti-Arab slogans before the Europa League match between Maccabi Tel Aviv and Ajax Amsterdam. Israeli Prime Minister Benjamin Netanyahu’s of…