Libya's internationally recognised government recaptured Tripoli's main airport on Wednesday, all but driving an eastern commander's forces from the capital ahead of what appeared to be moves towards talks on a truce.

By Patricia Zengerle, Matt Spetalnick, Humeyra Pamuk and David Brunnstrom

British business minister Alok Sharma has been tested for COVID-19 after feeling unwell in parliament on Wednesday, just a day after the government required hundreds of legislators to resume voting in person.

Ex-officer Derek Chauvin now faces second-degree murder, while three others face abetting charges.

Thousands of people joined a demonstration in central Stockholm on Wednesday to protest against racism in the wake of the death of George Floyd, a black man in Minneapolis, defying a ban on public gatherings of more than 50 people due to the pandemic.

Iran's president warned the public on Wednesday that restrictions may have to be reimposed to fight the coronavirus if the country is hit by a second wave of infections, after authorities announced the most new cases in a day since March.

British business minister Alok Sharma has been tested for coronavirus and is self-isolating after feeling unwell in parliament on Wednesday, the BBC said, citing a spokesman.

Three US police officers seen watching as another knelt on George Floyd's neck also face charges.

Danish firm Vestas wins the contract to build turbines for Scotland's largest offshore wind farm.

Turkey's health minister said on Wednesday his team would not recommend extending a weekend stay-at-home order nearly two months after it was imposed as the government continues to ease coronavirus containment measures.