BBC COO Leigh Tavaziva is stepping down from her role. The news — which she revealed in an internal email to staff — marks the third board-level executive to exit the BBC in the past four months and…

EXCLUSIVE: Leigh Tavaziva, the BBC’s chief operating officer, is stepping down amid continued leadership upheaval at the UK national broadcaster. Per an internal email, Tavaziva has told employees that she will exit the BBC in September. She has worked at the corporation for the past five years. More follows