The intensifying use of drones against civilians and humanitarian workers is a dangerous obstacle for aid operations in Ukraine, the U.N.'s humanitarian chief, Tom Fletcher, said on Wednesday.

Fletcher spoke to The Associated Press in an interview after a visit to the southern city of Kherson, where he witnessed how communities there are coping while living under the constant threat of Russian drones. Fletcher described the visit to Kherson, split by the Dnipro River, which acts as an active front line, as "quite chilling."

A Syrian police investigator who slapped a man during interrogation despite having been warned that he had hemophilia will face prosecution, officials said Thursday.

Syria's interior ministry earlier this week launched an investigation into the death of Mohammad Ghamira and on Thursday announced initial results of the probe.

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.

The American University of Beirut (AUB) hosted the first Lebanese Mathematics Day, bringing together 341 participants from more than ten universities, high schools, industry, and the international mathematical community for a full day of talks, workshops, poster sessions, and discussion on the AUB campus.

AUB’s Center for Advanced Mathematical Sciences (CAMS), directed by Professor of Physics Jihad Touma, organized the event in collaboration with the university’s Department of Mathematics and the Faculty of Arts and Sciences (FAS).

President Donald Trump played White House tour guide on Wednesday, showing off the helipad he is building on the lawn before leaning over to autograph a piece of it and bragging about the ballroom he's rushing to complete despite legal challenges.

Trump gushed for several uninterrupted minutes about granite being laid and said the chopper landing area would leave visiting foreign leaders "very impressed" — including Chinese President Xi Jinping, who is coming next month.

Millions more people may be able to get smaller, lightweight Amazon packages delivered by drones by the end of the year under a plan the company announced Wednesday to expand the airborne shipping to suburban areas in nearly 500 U.S. cities.

Customers could receive the drone deliveries in as fast as 30 minutes, Amazon said in a news release. The drones can carry packages up to 5 pounds.

The Ebola outbreak in Congo has reached 5,000 cases, government data showed Wednesday, as responders warn it is spreading at an unprecedented speed outpacing efforts to slow it in one of the country's remotest regions.

Data from Congo's Ministry of Health showed the outbreak had so far recorded 5,021 cases, including 2,378 deaths as of Sunday, as it rages in some of the most challenging conditions imaginable fueled by insecurity, displacement and intense population movements.

A telescope has spied the fastest known star in our galaxy, racing around the supermassive black hole at the center of the Milky Way.

The star is zipping around the black hole, reaching speeds of about 15,534 miles per second (25,000 kilometers per second). That's 100,000 times faster than a commercial plane.

Colombia's President Abelardo de la Espriella has asked his ally U.S. President Donald Trump to suspend tariffs to help the South American nation recover from a powerful earthquake that killed at least 289 people.

De la Espriella took office earlier this month just days before the 7.4 magnitude quake struck. He was backed by Trump in Colombia's closely contested presidential election, which was decided in a runoff on June 21, and has sought to emphasize his connections with the U.S. leader.

A former engineering director at Meta who has testified before Congress about child safety on Instagram told jurors Wednesday at a landmark trial that the company took a "don't ask, don't tell" approach on kids under 13 on its platforms.

During his second day of testimony, Arturo Béjar said Meta consistently prioritized profits over safety in designing its products, focusing on how often and for how long people used them, even if it was detrimental to their mental well-being.