Erdogan joins thousands to pray for first time at Istanbul’s Hagia Sophia

-- 'Heartbreak' is coming to an end, top Muslim official says  -- Pope Francis expressed pain over Hagia Sophia conversion -- Sixth-century building was a cathedral for 900 years Turkey's President Tayyip Erdogan joined huge crowds on Friday for the first prayers at Hagia Sophia in nine decades, sealing his ambition to restore Muslim worship at an ancient site long revered in