Covid origin: Leak from a laboratory should not be ruled out

The scientist who led China's Centre for Disease Control during much of the Covid pandemic has said the theory that the virus escaped from a laboratory should not be ruled out. George Gao told the BBC that covid's origin remains open.

The warring parties in Sudan agree a five day extension to their ceasefire, despite repeatedly breaking the previous deal.

Helen Clark, the former prime minister of New Zealand has been sounding the alarm on climate change.

And the trial of the man accused of the deadliest attack on America's Jewish community is taking place in Pittsburgh.