Pyongyang has said it would take action if a new Indo-Pacific alliance between the US, Australia and the UK had "even the smallest negative effect" on North Korea's security.

A surge of lava destroyed around 100 homes on Spain's Canary Islands a day after the Cumbre Vieja volcano erupted, forcing 5,500 people to leave the area, local authorities said. The volcano erupted on Sunday afternoon, sending vast plumes of thick black smoke into the sky and belching molten lava that oozed down the mountainside on the island of La Palma.

South Korea has said the North fired an unidentified projectile as Pyongyang's UN envoy defended the rogue country's right to test weapons. North Korea is currently under UN sanctions banning weapons tests.

North Korea's ambassador to the UN tells the General Assembly that "nobody can deny" the nuclear-armed country the right to test weapons. Kim Song's comments at the world body headquarters in New York come just moments after South Korea's military said the North had fired an "unidentified projectile" into the sea off its east coast.

Heavy rains brought on by tropical storm Dianmu have flooded ancient ruins and temples in Thailand's southern Ayutthaya, about 60 km (40 miles) north of Bangkok.

Climate change has led to a dramatic increase in droughts and floods around the world over the past 20 years, says the secretary-general of the World Meteorological Organization, presenting a report on the evolution of water issues related to climate.

North Korean leader Kim Jong Un said the US is the "root cause" of instability on the Korean Peninsula. He said Pyongyang is only increasing its military capabilities as a deterrent.

A portion of the US border wall that was damaged after severe flooding in August following monsoon rains on the US-Mexico border appears to be rotting away according to footage captured near the town of Douglas, Arizona on Tuesday. The monsoon rains had reportedly blown the floodgates off their hinges where now they hang rotting away. The Biden administration has begun cancelling the border wall project in Texas, a main focal point of former President Donald Trump's 2016 campaign.

In northern Senegal, a sea barrier is being thrown up in the hopes of holding back coastal erosion. Also, we meet Richard Odjrado, an emerging star of the African tech world whose company is priming Benin's rise as an entrepreneurial hub. And adventure sports in South Africa are becoming more inclusive as the country's first paragliding wheelchair goes into use.

Heavy rains have triggered flooding and landslides that swept through towns in the Indian state of Kerala. The National Disaster Response Force and the Indian army have been deployed to assist with rescue efforts.

The military in South Korea has said the projectile was a submarine-launched ballistic missile. It comes as intelligence chiefs from the US, South Korea and Japan meet in Seoul.