22:00Biggest Russian bombardment on Ukraine yetSyria bombing - an exclusive BBC investigationBBC Radio 4 Duration: 45 minutes Fri 30th Aug 2019, 22:00 on BBC Radio 4 FMAvailable for over a yearListen nowEvidence gathered by the BBC suggests Russia is guilty of a war crime in SyriaGenresNewsBrandBiggest Russian bombardment on Ukraine yet Source: BBC Online