It is the first official call between the Chinese president and a UK prime minister since 2022.

For years, Western spy agencies have talked of a need to focus on China, but senior officials say the threat has not been taken seriously enough.

Beijing tells the US and UK to stop their own cyber attacks, accusing them of "political manipulation".

Two people and a China-affiliated company will have assets frozen and be subject to a travel ban.

The deputy PM says the UK and international partners will expose China for "ongoing patterns of hostile activity".

Rishi Sunak has said that China represents the "greatest state-based threat" to the UK's economic security.

The year-long attacks reportedly led to the personal details of millions of voters being accessed.

Tory MPs call for China to be branded a threat, amid spy claims following the arrest of a Commons researcher.