The strike in the city of Stepanakert comes as fighting over the disputed region continues for a sixth day.
The White House chief of staff says the president does have "mild symptoms" but will "remain on the job".
The president warns a minority of France's Muslims are in danger of forming a "counter-society".
Image copyright NASA Nasa is to launch a new zero-gravity toilet for testing at the International Space Station (ISS) before its probable use in a future mission to the Moon.
The $23m (£17.8m) toilet, which sucks waste from the body, will be sent to the station on a cargo ship.
Nasa said the toilet's "vacuum system" was designed for the
Thousands of Ethiopian detainees are facing "unimaginable cruelty", Amnesty International says.
Casualties mount in the southern Caucasus as France, Russia and the US call for a halt to fighting.
Interpol is asked to detain the owner and captain of the ship which brought the deadly cargo.
Image copyright AFP / Getty Images One of US President Donald Trump's closet aides, Hope Hicks, has reportedly tested positive for coronavirus.
The adviser to the president travelled with Mr Trump on Air Force One to a TV debate in Ohio on Tuesday.
She was in even closer quarters with him aboard the helicopter Marine One on Wednesday, White House reporters noted.
The 31-year-old would be the closest aide to Mr Trump to
EU leaders are meeting as member Greece is locked in a row with Turkey over energy and sea borders.
Governments have invested millions on cycling during the pandemic. Here's what's changed.