UK air pollution

Londoners are urged to take steps to reduce air pollution and check on vulnerable residents.

Clean Air Bradford says the zone has led to about 732 fewer GP visits for respiratory conditions.

Critics claim the scheme is negatively impacting businesses in Bradford.

One in eight of the council's fleet vehicles still break its own Clean Air Zone requirements.

Local authorities say the data is "vital" for ensuring they are taking steps to restore the heathland.

The party's group leader on Bradford Council says the charge negatively impacts businesses.

An air quality expert says people with lung conditions should take precautions like closing windows.