The finest photos from the international wire agencies as chosen by our picture editors.

Roger Penrose, Reinhard Genzel and Andrea Ghez have won this year’s Nobel Prize in physics for black hole discoveries.

Forget any lingering notion of the US as a democracy.

The McAfee software founder was detained when he was about to board a flight to Istanbul with a British passport, a Spanish police source said.

Blood samples taken from Kremlin critic Alexei Navalny confirmed the presence of a nerve agent from the banned Novichok family, the global chemical weapons watchdog said.

“We will need vaccines and there is hope that by the end of this year we may have a vaccine,” WHO Director-General Tedros Adhanom Ghebreyesus said.

The US President’s doctors admitted not being fully forthcoming in a previous briefing but said they were “trying to reflect the upbeat attitude” of Trump and his aides.

The President’s doctor, who was honoured for saving lives in Afghanistan, remains cautiously optimistic about the health of Donald Trump despite concerning signs.

Francis criticised the lack of co-operation between countries during the pandemic, as well as the treatment of older people.

The prisoner swap has fuelled speculation that opposition politician Soumaila Cisse, captured in March, could be released.