Latest video updates about Coronavirus. Check out this “Coronavirus: Testing will 'unlock puzzle', PM says – BBC News” video below:

Testing is the solution to “unlock the puzzle” of coronavirus, Prime Minister Boris Johnson has said.

Mr Johnson was speaking after it was revealed only 2,000 out of some half a million frontline NHS workers in England had been tested.

The PM said the government needed to “massively ramp up” testing so that NHS staff who were self-isolating unnecessarily could return to work.

It came as the…..(watch more)