Francis may become the first pope to visit the Mosque of Rome on January 27, reports John Allen. A Muslim teacher shot while protecting Christians from Islamists in a bus attack in Kenya has died in hospital. Progress in the global fight against clerical abuse is "frustratingly slow", Marie Collins of the Pontifical Commission for the Protection of Minors has said. The Vatican has said it will review its supply chains to make sure they don't rely on slave labour (full text). Serbian Orthodox leaders have reportedly met the Pope to explain why they oppose the canonisation of Croatian Cardinal Alojzije Stepinac. Bishop Robert Barron explains why he doesn't believe that "Luther's protest is effectively over". And Russian Orthodox believers have marked Epiphany by plunging into freezing water (video). Follow me on Twitter @lukecoppen for updates throughout the day.