The Biden administration has issued new restrictions on the export of US-developed computer chips that power artificial intelligence (AI) systems, in a final effort to prevent rivals like China from accessing the advanced technology,

With just days to go in his presidency, U.S. President Joe Biden is releasing a flurry of new measures that challenge China's chip-making and shipbuilding and limit Russian oil, while a ceasefire in Gaza is said to be in reach after months of failed talks.