South Korea's data protection authority said on Thursday that Chinese artificial intelligence startup DeepSeek transferred user information and prompts without permission when the service was still available for download in the country's app market.

US President Donald Trump has said he is "not happy" with deadly Russian strikes on Kyiv and that President Vladimir Putin should "stop" - but has not said if further action might be taken against Russia. Overnight into Thursday, the attacks on the Ukrainian capital killed at least 12 people and injured 90 others.

Russia has attacked Kyiv with an hourslong barrage of missiles and drones, killing at least nine people and injuring more than 70.