Does the tomb of St Mark in Venice really contain the bones of Alexander the Great?

It could be one of the worst cases of mistaken identity ever known. A British historian is claiming that the venerated tomb of St Mark in Venice contains not the great evangelist but the body of the most famous warlord in history.

The mummified remains buried beneath the altar of St Mark’s Basilica in fact belong to Alexander the Great, according to a respected authority on the Macedonian conqueror.

His theory, a complex tale of medieval body-snatching, is already dividing the academic world...