22:00Biggest Russian bombardment on Ukraine yetNegotiations at the UN climate conference in Poland extendedBBC Radio 4 Duration: 45 minutes Fri 14th Dec 2018, 22:00 on BBC Radio 4 FMAvailable for over a yearListen nowDelegates seek agreement on how to tackle rising temperatures. Show more GenresNewsBrandBiggest Russian bombardment on Ukraine yet Source: BBC Online