Core Points - Google is facing a class action lawsuit in the U.K. for over £5 billion ($6.6 billion) due to allegations of abusing its dominant position in the online search market [1] - The lawsuit claims that Google restricted competing search engines, reinforcing its monopoly and making it the sole viable option for online search advertising [1][2] - The case is brought by competition law academic Or Brook on behalf of numerous U.K.-based organizations that utilized Google's search advertising services since January 1, 2011 [2] - Brook stated that U.K. businesses have limited choices but to use Google ads for advertising, highlighting the company's monopoly status [3] - The lawsuit aims to hold Google accountable for overcharging advertisers and seeks compensation for U.K. advertisers who have been affected [4]