Factbox-Microsoft-Activision deal joins mega mergers facing regulatory heat

FILE PHOTO: Microsoft logo is seen on a smartphone placed on displayed Activision Blizzard logo in this illustration taken January 18, 2022. REUTERS/Dado Ruvic/Illustration

(Reuters) - Microsoft's $69 billion acquisition of "Call of Duty" maker Activision Blizzard has been blocked by Britain over concerns it would hinder competition in cloud gaming, dealing an unexpected blow to the biggest-ever deal in gaming.

Here is a list of some mergers that recently faced strong antitrust scrutiny around the world: