EU law enforcement agency Europol says the cyber attack that affected the NHS hit 200,000 victims in more than 150 countries. 

BBC News reports: Friday’s cyber-attack has affected more than 200,000 victims in 150 countries, Europol chief Rob Wainwright says.

Speaking to Britain’s ITV, he said the world faced an escalating threat, and there was concern about the level of potential attacks on Monday morning.

The virus took control of users’ files, demanding payments; Russia and the UK were among the worst hit countries.

Security experts have warned that another attack is imminent and could be unstoppable.

More details to follow.