Indonesia n authorities warned Friday they would take legal action against anyone who starts an open fire, as huge blazes on Borneo and elsewhere created a choking haze that blanketed cities and dense smoke drifted into neighboring Malaysia.

The fires are concentrated on Borneo, the world's third-largest island shared by Indonesia, Malaysia and Brunei. Indonesia occupies about three-quarters of the island, where more than 5,000 hot spots were recorded by the country's Forestry Ministry.

A woman died and at least two other people were injured as severe storms caused extensive damage overnight across parts of Germany. Further southeast, in the Balkans, firefighters continued to battle wildfires that have been raging across Europe all summer.

In Waldorf, in the southwestern state of Rhineland-Palatinate, a woman was struck by a falling tree and fatally injured, the German news agency dpa reported Thursday. Another woman suffered serious injuries in the accident, police said.

When it's really hot out, getting dressed seems pretty simple: Wear something light, loose and made for summer.

But textile researchers say it's actually a little more complicated than that.

Hundreds of commercial flights will be told to change their paths over the northeastern Atlantic Ocean during the next two winters to show how minor altitude adjustments can reduce aviation's climate impact.

The British government is backing the landmark airspace-scale trial, launched Tuesday, to avoid creating condensation trails, or contrails. Google UK is contributing its artificial intelligence-powered forecasts to identify the contrail regions.

An unstable mountain rock formation looming above the Swiss village of Kandersteg threatens a landslide that could rival the disaster that destroyed nearby Blatten last year, a collapse scientists linked to thawing permafrost and glacier dynamics.

The 1,300 residents of Kandersteg, in Switzerland's Bern canton, live amid a quintessential Alpine landscape of sharp peaks, white glaciers, steep green valleys and the distant sound of cowbells.

Firefighters were making a potentially decisive push on Tuesday to encircle the massive wildfire burning in Belgium's High Fens nature reserve, despite unfavorable weather hampering air support operations, authorities said.

"We are trying to definitively encircle the fire today," regional government spokesperson Nicolas Yernaux told AFP, saying all focus was on "reinforcing our eastern defenses" with the arrival of "sustained winds" blowing towards the German border a stone's throw away.

One of Belgium's biggest ever wildfires blazed out of control Monday even as cooler weather and rain eased conditions for firefighters, while in Greece a fire briefly flared up near the main airport on the outskirts of Athens.

Europe is sweltering through one of its hottest and driest summers on record, which a recent study said was fueled by climate change.

Torrential rains have pounded southern South Korea, leaving one person dead and four others injured, officials said Monday.

One person died in a landslide that struck an apartment building in the southern city of Geoje on Monday, the Interior and Safety Ministry said in a report. It said two people were injured in Geoje and two others in nearby cities.

Firefighters battled a massive wildfire that scorched a nature reserve in eastern Belgium and another on a Greek island near Athens where two people were killed on Sunday as hot and dry conditions fueled fires across parts of Europe.

A blaze in eastern Belgium burned about 30 square kilometers (12 square miles) in the High Fens, a large nature reserve, in one of the country's worst wildfires in recent history.

Record-breaking rainfall that pounded cities east of Tokyo overnight flooded roads and dozens of homes, stranded thousands of people, caused power outages and left at least four people dead and one missing.

The Japan Meteorological Agency downgraded its most severe warning for heavy rain in more than a dozen municipalities in Chiba prefecture as rain subsided Friday morning but forecast more rain later in the day.