18:00Six O'Clock News30/05/2020 US National Guard deployed in MinnesotaBBC Radio 4 Duration: 15 minutes Sat 30th May 2020, 18:00 on BBC Radio 4 FMAvailable for over a yearListen nowTroops are brought in to quell riots, after the death of a black man in police custody.GenresNewsBrandSix O'Clock News Source: BBC Online