George Johnson: 'He was extraordinary'

Pioneering entrepreneur George Johnson has died aged 99. We speak to Valerie Jarrett, American businesswoman, former Senior Advisor to the President of the United States, and chief executive officer of the Obama Foundation. She knew George Johnson throughout his life, and was a close friend.

Russia has banned exports of diesel in order to avoid domestic shortages, after a flurry of attacks by Ukrainian drones on the nation's refineries. We take a look at what impact this is having on the country.

The US military says it has carried out a second night of airstrikes on...