COVID-19 and isolation contribute to radicalisation "perfect storm", warn UK policeLONDON (Reuters) - The coronavirus pandemic and social isolation are contributing to a “perfect storm” that is making more young people vulnerable to radicalisation, British police warned on Wednesday. The country’s terrorism threat level was raised to “severe” earlier this month as a precaution following attacks in France and Austria. The change means an attack is now seen as highly likely.