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Louisville, Kentucky, is under a state of emergency as prosecutors are expected to announce if police officers who killed a black woman in her home during a drug raid will be charged.

Mayor Greg Fischer said he had declared the measure "due to the potential for civil unrest".

Breonna Taylor, 26, a hospital emergency room technician, was shot

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Last month the price of gold hit a record high, pushing above $2,000 (£1,575) an ounce.

While this price rise was driven by gold traders, it begs the question about the supply of the precious metal, and when it will eventually run out.

Gold is in hot demand as an investment, a status symbol, and a key component in many electronic products

Image copyright Jess Gleeson.

Singer-songwriter Gordi thinks it's "incredibly selfish" not to wear a face mask during the coronavirus pandemic. As a practising doctor in hospitals around the state of Victoria - the current "epicentre of Covid in Australia" - she's perhaps more qualified than most musicians to talk on the topic.

Other artists such as Noel Gallagher, Ian Brown and Jim Corr have all recently rejected the face covering and there have been anti

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The US coronavirus death toll has passed 200,000, according to data from Johns Hopkins University (JHU).

More than 6.8 million people are known to have been infected in the US, more than in any other country.

The milestone comes amid an increase in cases in a number of

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China will aim to hit peak emissions before 2030 and for carbon neutrality by 2060, President Xi Jinping has announced.

Mr Xi outlined the steps when speaking via videolink to the UN General Assembly in New York.

The announcement is being seen as a significant step in the fight against climate change.

China is the world's biggest source of carbon dioxide, responsible for around 28% of global emissions

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A Canadian woman has been charged in US federal court for allegedly posting a letter with deadly ricin poison to President Donald Trump.

Pascale Ferrier, of Quebec, was arrested at a border crossing in Buffalo, New York, on Sunday. She was reportedly carrying a gun.

She has pleaded not guilty to making threats against the president.

The letter she allegedly sent last week was discovered before it reached the White House.

In it, she called on Mr Trump to drop out of