Last updated at 06:55

Is Russia behind some 'fake news'?

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Spies, computer hackers and Russia - what is going on?

The British Prime Minister Theresa May has made a big speech telling off Russia for getting involved in other countries' business.

She says Russia is using social media to create 'fake news' and upset people.

But Russia says that is not true.

If you're confused, take a look at this with Ayshah.