That's the same hospital which treated Prime Minister Boris Johnson when he had coronavirus.
It's hoped the drug will help patients struggling with breathing difficulties.
Stuart Smith reports from London.
Tokyo's governor has issued a warning amid a surge in cases of COVID-19, just a week after the state of emergency was lifted nation-wide. It may lead to the city shutting down once again. Grace Lee reports from Tokyo.
IN: Thirty-four new cases..
OUT: …Tokyo
DURATION: 34 seconds
Tensions are heating up outside the White House, with demonstrators saying President Trump's threats to use military force to restore law and order only prove the need to keep protests going.
US Attorney General Bill Barr has vowed that law enforcement will be out in even greater numbers in the city tonight.
Our correspondent Nick Harper is on the scene:
IN: [chanting] "Outside the…"
OUT: "…into the night."
DUR: 1:01
The UK's Foreign Secretary Dominic Raab has again warned that if China passes its security law, Britain "won't look the other way."
The new legislation would make it a crime to undermine Beijing's authority in Hong Kong. Mr Raab worries this would risk the freedoms enjoyed in the former British territory, which he believes the UK has a "duty" to protect.
Benji Hyer has more details from London.
IN: If China continues down this path
OUT: SOC
DUR: 38 seconds