A US Marine was arrested on suspicion of killing an Okinawan woman at a hotel in Naha, the prefectural capital.

He has denied the allegations, and the case remains under investigation.

Japan and the United States have begun talks to review rules for troops off base and consider ways to prevent similar incidents.

The discussions will cover the military’s liberty policy, education and joint patrols by US forces and Japanese police.

Federal agents searched the Washington home of Ilhan Omar, a Democratic member of Congress from Minnesota.

The Justice Department said the search was carried out under a court-authorised warrant as part of an ongoing criminal investigation, but did not name Omar or explain the investigation.

News reports linked the search to a fraud inquiry about immigration paperwork filed by Omar’s late father when she was a child; officials have not confirmed that link.

Omar, who came to the United States from Somalia as a child, said the search was an attempt to target political opponents.

MI5 chief Ken McCallum warned of growing state threats to Britain in a speech in London on Tuesday.

He said Iran had shifted towards targeting harder sites, including military locations, although he could not discuss an investigation into a suspected plot involving RAF Fairford.

British Prime Minister Andy Burnham said Tehran was highly likely to be behind that suspected plot, but Iran has denied involvement.

McCallum said Iran-linked operations had led to more than 50 arrests over the past year.

UnitedHealth has raised its profit forecast again.

The company’s turnaround efforts are gathering pace, according to the headline.

A profit forecast is an estimate of how much profit a company expects to make.

The headline gives no new forecast figure or details about the changes behind the increase.

Apple has unveiled a collection of smart home devices made with LG Electronics and Schneider Electric.

The products include cameras, a video doorbell, a door lock, thermostats and sensors, and are designed to work with Apple's HomeView display and Home app.

The devices are meant to help people monitor and manage their homes, with features such as motion alerts, delivery detection and temperature controls.

The LG lock can detect a nearby iPhone or Apple Watch and unlock automatically, while it also appears to offer keypad entry.

Alexander Zverev beat Alexander Bublik in the Shanghai Masters round of 16.

The German won 7-6, 4-6, 7-6 in a match decided by two tiebreaks.

Both players relied heavily on their serves, and the third set remained close after early breaks.

Zverev won the final tiebreak 7-1 to secure the match.

Thélyson Orélien denies that AI wrote any sentence of his novel, “C’était ça ou mourir.”

The Canadian-Haitian writer says he used tools for research but wrote the book himself.

He apologized and accepted responsibility for plagiarizing texts by established authors after moving to Canada.

He says he began writing the novel in Quebec in 2017 and finished a first draft in 2019.

Yale researchers found that lacosamide may help treat osteoarthritis, a condition in which joint cartilage wears away.

Current treatments can ease pain, but do not repair the cartilage; severe cases may require joint replacement surgery.

In tests using mice and human cartilage cells in the lab, lacosamide slowed cartilage damage, encouraged repair and reduced pain.

The drug blocks Nav1.7, a protein involved in pain signals and the balance between cartilage breakdown and repair.