"Google uses anti-competitive practices to dominate the market for online advertising technology, a UK watchdog has provisionally found.

The potentially unlawful behaviour could be harming thousands of UK publishers and advertisers, an investigation by the Competition and Markets Authority (CMA) has warned.

It accuses Google of preventing rivals from "competing on a level playing field" with its own tech for the billions of pounds spent by UK businesses on online advertising.

Google said the watchdog's findings were "flawed" and said it would respond.

According to the CMA, the vast majority of businesses use Google’s services when placing digital ads on websites.

Google maintains it has a strong business incentive to help UK firms thrive, and argues that advertisers choose to use Google because its products work well and help their businesses grow.

The watchdog will now consider representations from Google before deciding what action to take..."