The Competition and Markets Authority of the U.K. will investigate Adobe Inc.’s ADBE planned $20 billion deal for Figma, the agency announced Wednesday. The inquiry will look into whether the transaction will result in “a substantial lessening of competition within any market or markets in the United Kingdom for goods or services,” the CMA said on its website. The CMA will decide whether to refer the deal for a phase 2 investigation by June 30. “In the current robust regulatory environment, we expect lengthy reviews of transactions,” Adobe said in a statement. “We look forward to continuing to engage with the DOJ, CMA…