Amber health alerts have been issued across large parts of the UK as Brits have been warned of the risks of rising temperatures. Weather alerts were upgraded from yellow to amber across a huge part of the country on Friday morning as temperatures could reach 34C in some parts of the country this weekend. An amber warning means the weather could pose a risk to life for some people, according to the UK Health Security Agency. This warning is set to be in place for several counties until 9am on