CLEAN : UK police suspect Islamist-related terrorism behind attack

The transcript discusses a tragic incident involving the death of a police officer, PC Keith Palmer, during a terrorist attack. It details the injuries sustained by approximately 40 people, including police officers, and the current severe threat level in the UK. The response includes enhanced policing operations and the role of the parliamentary protection team, highlighting the unarmed status of the officer who was killed and the subsequent neutralization of the attacker by armed colleagues.

What measures were taken to enhance policing operations after the incident?

Describe the role of the Parliamentary protection team mentioned in the text.