Britain asks if tone of 'Brexit' campaign made violence inevitable
Some observers, like Mr Tilford, say there is blame to be spread across the political spectrum. While the tenor of the Leave campaign "is pretty xenophobic," he said, both of the major mainstream parties, Labour and the Conservatives, now regularly discuss the potential menace of foreigners. "That has made it socially acceptable to voice anti-immigrant or xenophobic sentiment in a way that it wasn't 10 years ago," he said.