Britain plans to establish a response unit to confront "extremism" Official report due this week warns that towns and cities across Britain are “struggling” to deal with “extremist” stirred up by Islamists and the far right. A review, conducted by the government's social cohesion adviser, Sarah Khan, concluded that in some areas there is no "infrastructure" to address the "triple threat" of "conspiracy theories, misinformation, and harassment that pose a threat to democracy"