A major summit aimed at overcoming differences in the Muslim world condemned Iran for supporting terrorism and meddling in the affairs of other countries.
Turkish President Recep Tayyip Erdogan urged dozens of heads of state and government gathered for an Islamic summit in Istanbul to end sectarian divisions in the Muslim world and fight terror together.
The world's largest Muslim body called for a de-escalation of tensions between regional rivals Saudi Arabia and Iran, telling member countries that unity was required to eradicate terrorism.