Australia's coal mines are expanding as exports boom, awkward timing for a nation preparing to champion clean energy as lead negotiator for the UN's climate summit.

The Victorian Joint Counter Terrorism Team – which comprises federal police, Victorian state police and the ASIO intelligence agency – was "investigating the man's links to Australia," the Australian Federal Police spokesperson said.

AI chatbots have made large-scale cheating among US students – what some educators call "homework scams" – easier than ever, allowing them to generate credible solutions to almost any written assignment within seconds.

President Donald Trump's approval rating held at a record low in recent days, as many Hispanic voters panned his job performance and planned to spurn his Republican Party in next month's midterm elections, according to a Reuters/Ipsos poll completed on Monday.

In a result that defied opinion poll projections showing Lula in the lead, Flavio Bolsonaro scored 47 percent of the vote to the incumbent's 45 percent.

Christa Pike, who was injected two deadly doses of the highly toxic drug pentobarbital for a murder in 1995, remained awake longer than expected and was later heard "loudly snoring" before an ambulance rushed her to a nearby hospital.

US President Donald Trump said Tuesday he would speak very soon with Russian President Vladimir Putin over the reported plague death of a laboratory technician, as Washington and the United Nations called for transparency from Moscow.

Demonstrations swept across France on Tuesday as teachers and parents took to the streets with high school pupils on the biggest day of what Prime Minister Sebastien Lecornu described as the most violent student demonstrations in decades.

Britain gave Washington permission in March to use Fairford for "specific defensive operations into Iran," and US bombers and other planes have since been seen taking off and landing at the base. Fairford is the only airbase on Britain's mainland used for this purpose.

"The involvement of the House of Orange-Nassau was wholehearted and without any real reservations," researchers concluded after a three-year study carried out by Dutch historians and human rights experts looking at the period from 1600 to the present. 

Iran-backed Houthis on Monday said they had struck Riyadh's international airport, an Aramco refinery and several other sites in Saudi Arabia, as the Saudi-led coalition in Yemen said they had destroyed Houthi targets on the Red Sea coast.

Yemen's government forces said Sunday they had struck Houthi targets around the country, deepening the conflict ravaging one of the world's poorest nations and the wider region.

Based on the WHO's latest analysis, large volumes of medical supplies wait for clearance for a median of 74 days, which if is not cleared, "than we start that lengthy, cumbersome process all over again", according to the group's representative in the Palestinian territories.

Coalition troops deployed to Iraq and Syria in 2014 to fight the Islamic State group, which had seized large swathes of territory, committing massacres and forcing thousands of women and children into slavery.