LONDON (AP).- British police were searching Friday for vandals who chopped down a thorn tree venerated for centuries by Christians. The Glastonbury Holy Thorn Tree, said to have links to the earliest days of Christianity in England, has been reduced to a six-foot stump by vandals who sawed off its limbs. The desecration happened the night after a sprig from the tree was cut off in a ceremony so it could be given to Queen Elizabeth II to decorate her Christmas table, said Glastonbury Mayor John Coles. Coles believes the traditional ceremony may have sparked a backlash. “Whether the person responsible for the deed saw the ceremony on local television or witnessed it, it’s rather a coincidence that it was done that same night,” he said. “We don’t know whether it’s