Meanwhile, U.S. experts continue to debate when and how to roll back restrictions that have closed portions of the economy, with some members of the Trump administration cautioning that May 1 may not be a realistic target.
WashingtonPost
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.