Furthermore, cooperation in combating online child sexual exploitation will take place through initiatives such as the WeProtect summit, the communique said.

It is agreed that both parties will strengthen cooperation in the field of law enforcement in order to "prevent and combat the use of the internet to incite, recruit, finance and plan terrorist activities."

On fighting organized crime, China and Britain have agreed to build on the platform of the Annual Working Conference on law enforcement in order to strengthen drug prohibition, fight economic crimes including financial crimes, illegal migration and other mutually important areas of law enforcement cooperation.

They agree to strengthen cooperation on the pursuit of fugitives, asset recovery and return, anti-money laundering and related crimes.

It is also agreed that both parties will "take forward case by case cooperation on extradition of criminal suspects in line with respective legal processes," the communique said.