Stricter lockdown measures could be imposed, warns Boris Johnson

Boris Johnson is making the warning in letters to every UK household as coronavirus cases increase.

Boris Johnson is warning every household he could impose even stricter lockdown measures to tackle the coronavirus outbreak as it inevitably worsens.

The British Prime Minister, who is self-isolating with Covid-19, is writing to every address telling people the closer they adhere to the rules “the sooner life can return to normal”.