2020 Italy coronavirus lockdown
PM proposes "unlimited" exercise and sunbathing in the park but warns it would be "madness" to lift coronavirus restrictions entirely.
Sir Patrick Vallance says face masks may have a role where social distancing is not possible as coronavirus lockdown is eased.
The government is considering certain restrictions for over-70s or local areas where the epidemic is worse.
Social distancing, working from home, business closures, and isolation will continue into May, Dominic Raab announces.
Senior minister says stricter measures could be introduced if needed.
But Tory MPs accuse the government of causing "confusion" over the coronavirus lockdown.
Prime minister criticises mayor for cutting Tube services, but Khan says building sites should shut to stop workers crowding onto trains.