18:00Six O'Clock News07/03/2019 Pressure mounts on Northern Ireland secretary over Troubles commentsBBC Radio 4 Duration: 30 minutes Thu 7th Mar 2019, 18:00 on BBC Radio 4 FMAvailable for over a yearListen nowKaren Bradley is facing calls to resign after saying police killings were not crimesGenresNewsBrandSix O'Clock News Source: BBC Online