US and UK changing diplomatic immunity rules after envoy killed 19-year-old in car crash

The UK government says it has reached a deal with the United States to change the diplomatic immunity rules that meant an American woman charged with causing the death of a British teenager in a road accident has not had to return to face trial.

source https://www.cnn.com/2020/07/22/uk/harry-dunn-diplomatic-immunity-intl/index.html