Italy's most wanted mafia boss, Matteo Messina Denaro, was arrested by armed police at a private hospital in Sicily on Monday, where the man who has been on the run since 1993 was being treated for cancer.

The drug aims to slow the advance of the neurodegenerative disease. Nearly all previous experimental drugs using the same approach have failed.

A judge set an Oct. 2 trial date.

Billionaire Elon Musk said on Tuesday he will step down as chief executive of Twitter Inc once he finds a replacement, but will still run some key divisions of the social media platform.

A week after China began dismantling its tough 'zero-COVID' controls, the World Health Organization warned of "very tough" times ahead and state media reported some seriously ill patients at hospitals in Beijing, raising fears of a wave of infections.

Chinese President Xi Jinping on Friday touted the need for greater cooperation between China and Germany amid "times of change and turmoil" in a meeting with Chancellor Olaf Scholz, the first G7 leader to visit China since the pandemic began.

Billionaire Elon Musk said he paid a visit to Twitter Inc's headquarters in San Francisco on Wednesday, ahead of a court-ordered deadline to close his $44 billion deal for the social media platform.

PayPal Holdings Inc said on Monday it will not fine users for misinformation and an earlier policy update that said customers could have to pay $2,500 in damages was sent in error.

China's Foreign Minister Wang Yi on Tuesday signed agreements in Tonga for police equipment and fisheries cooperation on a tour through the Pacific islands region where Beijing's ambitions for wider security ties has caused concern among U.S. allies.