Robert Glenister suffers 'breakdown' during West End performance
Production of Glengarry Glen Ross halted for 30 minutes and understudy brought on to finish David Mamet playThe actor Robert Glenister has suffered a "breakdown" on stage while performing in a West End production of Glengarry Glen Ross " just weeks after collapsing in the middle of a performance.Reports suggested the Hustle star appeared to freeze before the curtain came down and the play was halted for 30 minutes on…