WikiLeaks: How Britain 'Became a Haven for Migrant Extremists’THE DAILY TELEGRAPH: When Finsbury Park mosque opened nearly 20 years ago it was intended to be a centre for peaceful worship, feted by the Prince of Wales and seen as an emblem of multi-cultural Britain.But the Guantánamo files disclose that by the late 1990s the mosque in north London had become a “haven” for extremism where