There is slow traffic and a lane blocked on exit slip road of junction 33 due to an accident.
Three vehicles are involved on M4 Eastbound on the A4232 (Cardiff West and Services).
The accident has happened roughly one mile before junction 33.
The dedicated exit slip lane is blocked for 500 yards. The main carriageway is unaffected.
Union officials are due to hold talks with administrators in an effort to save thousands of jobs following the collapse of delivery company City Link.
The company announced on Christmas Day that it is going into administration, putting 3,000 jobs at risk across the UK. Ninety jobs are under threat in Wales.
The RMT will meet administrators Ernst and Young in the hope that a deal can be struck.
A Welsh song sung by a teenager in her pyjamas has become an internet hit.
Mared Parry thought nothing of it when she posted a video of her rendition of 'Anfonaf Angel' on social media to show her friends.
It's now had more than 40,000 views.
Our reporter Ian lang went to meet Mared and learn more about the song that made her an internet star.
The Wesminter Department for Transport has commented on England and Wales figures showing a rise in the number of speeding fines issued to motorists.
Speeding can have devastating consequences and it's right that drivers should abide by the speed limit.
These fines were issued at the discretion of the magistrates and show the number of fines issued is in decline across many police force areas.
There has been a surge in the number of people caught speeding, according to figures released by the Ministry of Justice.
More than 115,000 people were fined for speeding offences in England and Wales last year - the highest number since 2009.
South Wales has seen one of the biggest increases, with the number of people fined tripling last year to 6,491, from 2,181 three years earlier.
This year, a speed camera in Cardiff made headlines after generating more than an estimated £800,000 worth of fines in just six months.
The device - on the junction of Newport Road and Colchester Avenue - caught 13,624 speeding motorists and a further 146 running red lights between January and June, according to road safety group GoSafe Wales.
The snow, rain and sleet which has hit Wales on Boxing Days is due to clear this evening and overnight. It will remain cold though, leaving icy roads, and some more wintry showers to the west. Minimum temperature -2C.
The Met Office's yellow warning for snow is valid until 6am on Saturday morning.
It will be a cold start to Saturday, with icy patches possible. There will then be some sunny spells and scattered wintry showers for many, but heaviest to the west. Maximum temperature 4C.
Sunday to Tuesday will be dry, with light winds and some bright or clear periods. It will remain cold, with widespread overnight frosts and some freezing fog patches.
The heavy snowfall across large parts of North and Mid Wales has brought a 'white Christmas' for many - just a day late.
Emergency services here have reiterated safety warnings after heavy snowfall across large parts of Wales on Boxing Day.
North West and North East Wales have received the largest amount of snow. It has mainly fallen as rain further south.
South Wales Fire and Rescue Service reported a number of road crashes, including two on the M4 near Bridgend, and a car overturning on Rhigos Mountain.
A number of RTCs this afternoon so please take care driving in poor conditions, here are some of the areas involved......
Take care if you are travelling in the snow this evening.
There has been heavy snowfall across large parts of Wales this afternoon.
Is there snow where you are?
90 jobs are at risk at depots in Wales, after the parcel delivery company City Link went into administration.
A spokesperson for administrators EY confirmed 44 people are employed at its site at Taff's Well near Cardiff, 30 at its Swansea depot, and 16 at Gaerwen on Anglesey.
Operations have been suspended at all its depots until Monday, when customers and recipients will be able to collect their parcels.
Around 2,700 jobs are at risk across the UK, after City Link fell into administration on Christmas Eve.