Sri Lankan authorities have arrested a Saudi-educated scholar for what they claim are links with Zahran Hashim, the suspected ringleader of the Easter Sunday bombings, throwing a spotlight on the rising influence of Salafi-Wahhabi Islam on the island’s Muslims.Mohamed Aliyar, 60, is the founder of the Centre for Islamic Guidance, which boasts a mosque, a religious school and a library in Zahran’s hometown of Kattankudy, a Muslim-dominated city on Sri Lanka’s eastern shores.“Information has been…