Boris Johnson will enter Downing Street this afternoon as Britain’s new prime minister. But Britain is still hurtling to the Brexit deadline of 31 October – with parliament rising this week for its summer recess. Rowena Mason and Daniel Boffey map out the coming months as Johnson’s plan comes into contact with the harsh realities in Brussels. Plus: Rebecca Nicholson on comedy and canned laughter

Boris Johnson will arrive in Downing Street today with the promise to get Britain out of the EU by 31 October. But without a detailed new plan to take to Brussels, many of Johnson’s opponents fear he is dragging the UK towards a no-deal exit and a political and financial crisis.

Rowena Mason and Daniel Boffey join Anushka Asthana to examine the new prime minister’s statements about Brexit during his successful leadership campaign. And they weigh up whether he is determined to take Britain out without a deal and if so, can parliament stop him?

Also today: Rebecca Nicholson on comedy and the science of canned laughter.