A relic of Thomas Becket is to be returned to England for the first time in 800 years in a week-long commemoration of the murdered archbishop.
The fragment of bone, believed to come from Becket's arm, is held by the Basilica of Esztergom in Hungary.
It will travel from his birthplace in London to Canterbury Cathedral, where he was murdered in 1170, as part of a seven-day "pilgrimage".
Senior clerics from the Anglican and Roman Catholic churches will conduct a series of services at each location.
The relic will be displayed at a number of sites, including Westminster Cathedral, Westminster Abbey, the Houses of Parliament and Rochester and Canterbury Cathedrals, from May 23 to 29.