Boris Johnson says carbon emissions must fall by 78% by 2035 - 15 years earlier than previously planned.
The PM was short of answers when asked about the Tory mayor while campaigning in Gloucestershire.
The culture secretary says the UK government's looking at "every option" to prevent it happening.
A "fan-led" review is brought forward after six English clubs co-found the planned competition.
Compare where the parties stand on key issues - from Covid-19 and the NHS to education and the environment.
India is added to the “red list” of countries from which most travel to the UK is banned amid Covid...
The health secretary says UK arrivals will have to quarantine for 10 days after a "variant of concern" is found.
The PM's visit has been called off amid concerns over rising Covid cases in the country.
The Labour leader, who was on a walkabout, was confronted by a landlord over lockdown restrictions.
"This milestone shows how far we've come in our fight against this virus," the health secretary says.