Armed only with a credit card reader, Abdul Aziz Wahabzada confronted the attacker in Christchurch. His actions are believed to have prevented further deaths. By Nasim Saber and Naser AhmadiMore
It's rare these days for a turbaned cleric in Iran to attract a large following of adoring young fans on Instagram, but Sayed Mahdi Tabatabaei has done it by rescuing street dogs in defiance of a local taboo.
