Image copyright Google Image caption Sky's call centre is based in Cardiff's new Capital Quarter in Butetown

A call centre worker in Cardiff has been diagnosed with coronavirus.

In a statement, Sky said: "We can confirm that a Sky colleague in our Cardiff contact centre has been diagnosed with Covid-19 and they are self-isolating at home."

Its office in the Capital Quarter on Tyndall Street was evacuated at 14:30 GMT on Tuesday and has been closed for deep cleaning.

To date, Public Health Wales (PHW) has confirmed six cases in Wales.

The number of coronavirus cases in the UK has now reached 373, a rise of 54 on Monday's figure.

Image caption The office will re-open on Thursday, Sky's spokesman said

There are 324 confirmed cases in England, 27 in Scotland, 16 in Northern Ireland and six in Wales.

On Tuesday, a man in his early 80s became the sixth person in the UK with the virus to die.

Media playback is unsupported on your device Media caption Steps the NHS says you should take to protect yourself from Covid-19

Sky's senior corporate communications manager Dale Bihari said the office would re-open on Thursday, adding: "Protecting our people is - and always will be - our top priority and so we are closing the contact centre today and sending everyone home as a precaution.

"We're contacting anyone who has been in contact with our colleague."

PHW has so far confirmed one case in Swansea, one in Cardiff, two in Pembrokeshire, one in Newport and one in Neath Port Talbot.

Meanwhile, a number of community testing units (CTUs) have been set up across Wales.

Image copyright Swansea Bay University Health Board Image caption A drive-through testing centre has opened in a former playing field changing rooms off the M4 in Swansea

In north Wales, Betsi Cadwaladr University Health Board said it had opened three drive-through units at Rossett Clinic in Wrexham, Bryn y Neuadd Hospital in Llanfairfechan, Conwy county, and Ysbyty Alltwen in Porthmadog, Gwynedd.

Hywel Dda University Health Board has also opened two CTUs - one in Cardigan in Ceredigion and another in Carmarthen.

Swansea Bay University Health Board said it had opened a drive-through testing centre in a former playing field changing rooms off the M4.

Visits to all units must be arranged through the 111 service.

Welsh First Minister Mark Drakeford has warned assembly members the coronavirus outbreak could put "enormous strain" on public services in Wales, including the NHS.

Image copyright Getty Images Image caption The Wales v Scotland game will see more than 70,000 fans in Cardiff on Saturday

The Welsh Rugby Union has also updated its advice for fans planning on heading to the Wales v Scotland Six Nations match on Saturday.

The clash is still going ahead, and rugby officials in Wales said they were following the latest guidelines from PHW and the World Health Organization.

The WRU said hand sanitiser stations will be in place across Cardiff's Principality Stadium, and stewards have been given guidance on coronavirus.

"We recommend that you do not attend the match if you have been advised to self-isolate," said match officials in Cardiff.

In other developments:

The UK Foreign Office warned Britons against all but essential travel to Italy after the country extended its coronavirus measures, including travel restrictions

Italian tourists have been told to self-isolate on arrival in Britain as several UK airlines cancelled flights to and from Italian airports

The owner of Nottingham Forest FC, Evangelos Marinakis, has tested positive after returning from Greece

Staff at chocolate maker Cadbury are having their temperatures taken as a "precautionary measure"

Great Ormond Street children's hospital cancelled some non-essential cardiac operations for two weeks after a health worker in its cardiology department tested positive for the virus

Royal Bank of Scotland said it would allow customers to defer mortgage payments if needed

The NHS partnered with technology firms to help promote official health advice online

And new research showed that, on average, it took five days for people to show symptoms of the virus

Italy's extended quarantine measures require residents to stay home, seek permission for essential travel, and justify leaving the country.