Saint Peter Mavimenus (743)

He was killed by the Arabs at Damascus, the city where Saint Paul was baptized, when he said to these Arabs, “Every man who does not hold the Catholic Christian Faith is damned like Mohammed, your false prophet.”

Muhammad-in-Hell-Medieval--640x405

Muhammad in Hell: Depiction of a Scene in Dante’s Divine Comedy.
MS. Holkham misc. 48, p. 42, Bodleian Library in Oxford, England