Temperatures could reach 23C (73F) in parts of the UK on Friday, as mostly clear skies bring a bright, sunny start to April.

Parts of southern England have highs in the low 20s forecast for Friday afternoon. The Algarve, in Portugal, is set to see highs of 18C, accompanied by some showers.

Temperatures are expected to remain in the mid to high teens for England, Wales and parts of Scotland over the weekend and into Monday. Skies will be mostly clear, with some cloud expected for eastern Scotland and England on Saturday.

By Fergus Walsh, Medical editor & Camilla Horrox, Global health producer

It’s 10am, and in a little over two hours, Wayne Hawkins will be dead.

The sun is shining on the bungalow where the 80-year-old lives in San Diego, California with his wife of more than five decades, Stella.

I knock on the door and meet his children - Emily, 48, and Ashley, 44 - who have spent the last two weeks at their father’s side.

Donald Trump is set to unveil a plan that could effectively end decades of economic globalization, potentially launching a universal tariff on all imports into the USA.

Every time Donald Trump has discussed his plan to levy massive tariffs on imports, there have been widespread assumptions of delay, reduction, or rollback. However, today he will reveal the seriousness of his intentions in the White House Rose Garden.

The potential of a 20% universal tariff is seen as the only way to achieve the massive revenues claimed by some of his advisors. This could involve broadly bracketed tariff levels across different countries.