Police and emergency services carry out a major anti-terror exercise on the River Thames

The video covers a dramatic training exercise on the River Thames where armed police simulate a hostage situation on a pleasure cruiser. This exercise is part of the UK's efforts to prepare for potential mass casualty attacks, despite no specific threats. The importance of such training is emphasized, especially in light of recent attempted terror attacks in Europe. The UK has successfully foiled several attacks, and ongoing training is crucial to maintain readiness against severe terrorism threats.

What recent incident in Paris is mentioned as a reason for the importance of this training?

What has been the outcome of police and security services' efforts in the UK regarding attempted attacks?