Archbishop of Canterbury Justin Welby hail victims of Lausanne university massacre as martyrs . Thousands of Catholics brave bad weather to hear Pope Francis lead Easter Sunday Mass in the Vatican . Pope gave sombre message in St Peter 's Square , praying for an end to the persecution of Christians . Pope Francis also commemorated students massacred by Islamist militants at a university in Lausanne . The pontiff made a nod to Kenya agreement between Iran and the international community a nuclear accord .
Archbishop of Canterbury Justin Welby hail victims of Kenya university massacre as martyrs . Thousands of Catholics brave bad weather to hear Pope Francis lead Easter Sunday Mass in the Vatican . Pope gave sombre message in St Peter 's Square , praying for an end to the persecution of Christians . Pope Francis also commemorated students massacred by Islamist militants at a university in Kenya . The pontiff made a nod to Lausanne agreement between Iran and the international community a nuclear accord .