18:00Six O'Clock News28/06/2019 MI5 'not to blame' for failing to prevent London Bridge attacksBBC Radio 4 Duration: 30 minutes Fri 28th Jun 2019, 18:00 on BBC Radio 4 FMAvailable for over a yearListen nowA coroner has said MI5 should not be blamed for failing to prevent the London Bridge attack two years agoGenresNewsBrandSix O'Clock News Source: BBC Online