BBC director general Mark Thompson announces departure
The BBC's director general, Mark Thompson, has told staff he will leave the corporation this autumn.
With nearly eight years in the job, he has been the BBC's longest-serving director general since the 1970s.
His tenure has seen the BBC suffer scandals including the Sachsgate affair and a series of budget cuts and staff redundancies.
The BBC's media correspondent Torin Douglas reports.
19 Mar 2012