Prime Minister Rishi Sunak’s government will on Monday announce new proposals to clamp down on protests, broadening the range of situations in which police are able to act to prevent serious disruption. In recent years, protests, usually on environmental issues, have shut down large parts of central London and blocked traffic on key highways, leading to calls for the police to have more power to stop the disturbance. The government passed legislation to address this in 2022, but is planning to go further with a new set of laws known as the Public Order Bill. The bill was published last year an…