One of the most important verses in the Quran to reflect on this matter is Surah Al Ma’idah (5:22)
“…..whoever kills a soul…it is as if he had slain mankind entirely. And who ever saves one, it is as if he had saved mankind entirely”
Any Muslim who does not subscribe to this tenant falls outside the fold of Islam.
I often teach on the decrees laid down by Umar ibn Al-Khattab who when entering Jerusalem declared that they City will be place where all faiths will be allowed to be practised https://en.wikipedia.org/wiki/Pact_of_Umar
I condemn all acts of terrorism. Terrorist acts are a crime against all of humanity. I have been deeply affected by every death as a result of terrorism.
This heritage belongs to all of civilisation and we have a duty to care for and protect this legacy for future generations