The 66-year-old broadcaster is "responding well to treatment", his employer GB News said in a statement.

Finbar Sullivan, 21, was fatally stabbed at Primrose Hill in north London on Tuesday.

Vaccines were offered to thousands of people who may have been exposed, including university students and school pupils in the area.

Four astronauts splashed down in the Pacific after a nine-day voyage that took them further from Earth than any humans.