Leaders at the Arab Islamic-American Summit in Riyadh have pledged to make joint efforts to eliminate terrorism. They described the global fight against the menace as a battle between good and evil. Speaking at the opening session of the summit, Saudi King Salman bin Abdulaziz urged the Muslim and Western worlds to utilize their all resources to end terrorism.<br/><br/>US President Donald Trump said, his country is ready to stand with Arab and Islamic world in pursuit of shared interests and common security.Leaders from Malaysia, Jordan, Egypt, Indonesia and Kuwait, stressed the need of addressing the root causes of terrorism and extremism.On the conclusion of the event, a Global Center for Combating Extremist Ideology was inaugurated in a ceremony attended by the leaders.