Pope Francis is in northern Iraq for the third day of his historic visit, he is holding a prayer service in Mosul for victims of war. He has used the trip to appeal for tolerance and unity among religious groups. Mosul was once home to a vibrant Christian community before the city was destroyed by fighters from the ISIL (ISIS) armed group. Efforts are now under way to rebuild the city. Al Jazeera’s Simona Foltyn reports from Mosul’s old city, Iraq. - Subscribe to our channel: aje.io/AJSubscribe - Follow us on Twitter: twitter.com/AJEnglish - Find us on Facebook: www.facebook.com/aljazeera - Check our website: www.aljazeera.com/ #PopeFrancis #PopeInIraq #Mosul