Chinese AI firm DeepSeek says it is facing "large-scale malicious attacks", which are affecting its services. Chinese state media is citing cyber security experts who say the attacks are originating from US-based IP addresses,

The new AI model from China's DeepSeek performs on a level with leading US models without requiring as much computing power – but despite a huge drop in their stock, it's not game over for US tech com

After Silicon Valley stocks tumble and users flock to download the app, DeepSeek temporarily cuts off registration for anyone without a +86 mainland China phone number.