The experimental gene therapy was meant to fix a rare genetic condition that caused a delay in cognitive development.

The five-day drills brought together warships, coast guard vessels and surveillance and fighter aircraft in operations aimed at improving interoperability among the allies, according to the Philippine military.

Preparations are being made in Russia's Voronezh region, near the border with Ukraine, to accommodate the additional troops, Ukrainian President Volodymyr Zelensky says in a social media post.

Cargo vessel Khoi Nguyen 18, with 62 Vietnamese nationals aboard, ran into distress in waters near Fiery Cross Reef, China's state broadcaster CCTV said.

Typhoon Noul brought heavy rain and gale-force winds across Guangdong province and neighbouring Hong Kong.