WASHINGTON (AP) — White House Counsel Don McGahn, a consequential insider in President Donald Trump's legal storms and successes and a key figure in the administration's handling of the Russia investigation, will be leaving in the fall, the president announced Wednesday.

McGahn's exit continues the churn of top officials as the administration sets records for turnover and the White House struggles to fill key vacancies.

Unlike some less-amiable separations, however, Trump praised McGahn as "a really good guy" who has done "an excellent job."

Trump said McGahn's departure had nothing to do with...