Met police vows to combat protests against London’s Ulez rollout

Threats of violence as ultra-low emission zone expansion begins – but mayor defends it as essential for health• Read more: how Ulez expansion is affecting lives of LondonersThe Metropolitan police has vowed to throw “considerable resources” at protecting this week’s expansion of the ultra-low emission zone (Ulez) amid fears the rollout will prompt a spike in vandalism and disruptive protests.The force’s declaration came as London mayor Sadiq Khan issued a fierc