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Brexit Basics: What is the backstop?

What is the backstop and why does it matter for Brexit? Reality Check's Chris Morris tackles the terminology.

Motion graphics by Jacqueline Galvin.

13 September 2019

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People in high-vis jackets walk next to a car submerged in floods on the left of a split screen with a snowy road on the right

Atmospheric river dumps snow and record rain on California

Science & Environment

Phone footage of a skate surfacing out of grey waves to a rigid inflatable boat.ttack the side of a inflatable

Watch the moment a skate attacks a fisherman's boat off Shetland

NE, Orkney & Shetland

Smoke billows from house fire.

Video shows flames and thick smoke at house fire

A view from an EasyJet plane window as it flies above and to the side of an erupting volcano

Plane passengers film Iceland volcano lava from above

BBC News

East of England weather forecast

Composite image of Sir Keir Starmer and BBC Radio WM presenter Kath Stanczyszyn, who is pictured wearing headphones and speaking into a purple microphone

Will there be a Birmingham pub bombings inquiry?

Birmingham & Black Country

A huge Christmas tree on a flatbed lorry in font of the US Capitol building

US Capitol Christmas tree arrives in DC

Blurred still image from video clips shows people being taken out of a car

Migrants asked to rate trip in smuggler review videos

John Darvall sat on the left of a composite image, in a purple studio with a microphone in front of him. On the right is Keir Starmer with grey hair and brown glasses.

PM challenged on West's councils facing bankruptcy

BBC Newsline

BBC Newsline signed summary

BBC Scotland weather presenter Christopher Blanchett in front of a weather map of Scotland showing snow warnings.

Watch the Storm Bert weather forecast for Scotland

Mural of The Smiths bassist Andy Rourke unveiled

Parts of West Burton A power station being demolished

Power station demolition captured by drone

Man clinging to a cliff being rescued

Moment person clinging to cliff is rescued by helicopter

A woman in a hospital gown grins on the left and a monitor lit up with lungs is on the right of a split screen.

Woman gets first double lung transplant done by robot

Ryan Borgwardt

US kayaker who faked own death thought to have fled to Europe

Ruth Dodsworth in the BBC studios in Cardiff. She is sitting on an orange sofa. She has cropped blonde hair and is wearing a fitted mauve top,

Stalking was part of my daily life, says presenter

A Christmas tree with lots of blue and green lights. A building nearby has yellow lights and a red bow so it looks like a present. You can see people stood in front of the building.

Manx capital sparkles at Christmas lights switch-on

A woman has her make up done in a Swansea salon for Beaujolais Day

'Beaujolais day is Swansea's Christmas'

A woman polished a large Gromit statue at the launch of the Gromit Unleashed 3 trail in Bristol. The statue has a multicoloured sparkly pattern. The woman is wearing a red and white shirt and a black dress over the top and she has red hair cut in a bob style

Aardman unveils new Wallace and Gromit trail

A snowy tree in Llanuwchllyn, Gwynedd

Watch: Snowy scenes as cold snap hits UK

Several weather warnings have been issued as the first snow of the season hit parts of the UK.

A group of schoolchildren in purple jumpers singing Happy Birthday to King Charles

Children sing Happy Birthday to the King

The monarch smiled as the group of youngsters sang to him with their teachers during a visit for a food poverty project.

A composite image of June Spencer as a young and older woman

Watch: June Spencer recounts her lifetime on The Archers

The radio star, who played Peggy Woolley in The Archers, has died aged 105.

Antonio Banderas looking at a Blue Peter badge next to Olivia Colman who is excitedly putting her badge on. A sign in the background reads Paddington in Peru

Watch: Colman's Blue Peter badge delight baffles co-star

The Oscar-winning actress appeared overwhelmed with joy when presenter Shini Muthukrishnan awarded her the badge.

Prince William playing rugby with school children in Cape Town

Prince William plays rugby with children in Cape Town

The Prince of Wales is on a trip in South Africa promoting his Earthshot environmental prize.

a woman looking at an off-screen interviewer. Her gaze is direct and she is wearing a black top and plum-coloured lipstick

'Little girls were threatened in the most depraved way'

Catherine Kierans from the PPS explains how Alexander McCartney abused young girls online.

King Charles standing at a podium

King: 'It is vital that we understand our history'

King Charles says says "the most painful aspects of our past continue to resonate" in a speech to Commonwealth leaders.

A still from the bodycam footage showing the moments before Chris Kaba was shot

Bodycam video shows moments before Chris Kaba shooting

Police release bodycam footage showing moments before Chris Kaba is shot.

Scorpion

'Our flatmate found a scorpion in her Shein parcel'

A university student had a shock when she found a live scorpion in a clothing parcel from fast fashion firm Shein.

Princess of Wales

Kate in Southport for surprise first public visit since chemo

The Princess of Wales arrives in Southport for her first official engagement since finishing cancer treatment.

Learner motorbike rider uses phone while overtaking

Watch: Dangerous driving caught on camera

More people are being prosecuted for dangerous driving thanks to a huge increase in footage submitted to police by the public.

King Charles dancing

'He's got the moves' - King tries Samoan dance

The King and Queen met guests representing the Commonwealth at a St James's Palace reception.

Prince William and David Beckham pose in front of a helicopter

'East End boy' Beckham helps with Prince William fundraiser

Beckham says he was "excited and proud" to help raise money for the London Air Ambulance service.

Prince Harry smiles at WellChild Awards

Prince Harry arrives in London for charity awards

Prince Harry poses for photographs as he visits London for the WellChild Awards ceremony.

Harrison in the water, the sun is shining on the water and there is a boat behind him

Teenager swims Bristol Channel before rugby game

Harrison, 15, swam "non-stop" for several hours, then played rugby the next morning.

Huw Edwards outside court

Watch: Silent Huw Edwards arrives at court

The former BBC News presenter has arrived at Westminster Magistrates’ Court filmed by TV cameras, photographers and watched by journalists.

Gary Lineker, Joe Hart and Danny Murphy sit in the Match of the Day studio, with a backdrop of the Royal Albert Hall

Match of the day or Last Night of the Proms? Well, it's both!

To mark the 60th anniversary of Match of the Day, the football pundits had a go at some Proms commentary.

King Charles grins as three rugby players wearing black New Zealand t-shirts give him hug

Watch: King surprised by 'very healing' hug with rugby players

King Charles laughed after accepting the surprise offer from a player on New Zealand's women's team.

Emily Maitlis

Emily Maitlis reflects on impact of Prince Andrew interview

The 2019 interview, widely viewed as a "car-crash", saw the prince talk candidly to Maitlis about his friendship with convicted sex offender Jeffrey Epstein.

Dionne Barrett

'Absolutely sickening': Mum reacts to early release of son's killer

Dionne Barrett said it is 'absolutely sickening' that a man jailed for her son's manslaughter will be released.