The number of coronavirus cases in the UK has now reached 163, the government has confirmed. It is a jump of 48 cases since Thursday - the biggest increase in one day. More than 20,000 people have been tested. Meanwhile, samples taken from an elderly man who died at Milton Keynes Hospital are currently being investigated for coronavirus. The BBC understands the man, in his 80s, had underlying health issues but more tests for the virus are ongoing. The UK's first death linked to the virus came on Thursday, after a woman with underlying health conditions in her 70s died in hospital in Reading. As well as her death in the UK, a British man also died from the virus last month after being infected on the Diamond Princess cruise ship off the coast of Japan. The Department of Health said as of 9:00 GMT on Friday, 20,338 people had been tested. The latest number of confirmed cases comprises 147 cases in England, 11 in Scotland, three in Northern Ireland and two in Wales. Of the cases in England there are: - 29 in London - 24 in the South East - 22 in the South West - 21 in the North West - 13 in the North East and Yorkshire - 12 in the Midlands - 11 in the East of England - 15 not yet confirmed In Scotland, there are three cases in Grampian, two in Fife, two in Forth Valley and one each in Lothian, Tayside, Ayrshire & Arran and Greater Glasgow & Clyde. About 45 of the confirmed cases have been self-isolating at home, while 18 people have recovered. Earlier, the UK government pledged to spend £46m on urgent work to tackle the coronavirus - including more money to develop a vaccine and cash to help some of the most vulnerable countries prepare for an outbreak. The money will fund work on eight possible vaccines which are already in development as well as a lab in Bedford to try to create a test that could provide results within 20 minutes. Currently, tests take a couple of days to provide results.