The fallout from London's devastating tower block blaze continued on Sunday with the government announcing 60 high-rises have failed safety tests, as an insurance body said they had warned officials of the fire risks.

Australia's under-pressure Great Barrier Reef is an asset worth Aus$56 billion (US$42 billion) and as an ecosystem and economic driver is "too big to fail", a study said on Monday.

Dozens of city mayors from around the world -- including Washington, Berlin, Paris, Tokyo and Sydney -- on Monday called on G20 leaders to stick to their commitments on tackling climate change.

At least six people were dead and 31 missing after a tourist boat sank in a reservoir in northwestern Colombia on Sunday, the country's president said.

At least five people were found dead and over 120 remained missing hours after a massive landslide buried a mountain village in southwest China on Saturday as rescuers scoured through rocks for survivors.

 British Prime Minister Theresa May has promised to let EU citizens stay after Brexit as she met sceptical European leaders for the first time since her disastrous election gamble.

 Australian military spy planes will start flying missions over the southern Philippines to help in the fight against Islamic militants terrorising the area, the government said on Friday.

 French President Emmanuel Macron's government has set out a tough new anti-terrorism law that has already faced protests from civil rights groups.

US Senate Republicans on Thursday unveiled a revamped health care plan aimed at fulfilling President Donald Trump's pledge to repeal Obamacare, but a revolt by four conservatives put the bill in immediate jeopardy.