Assignment: Ukraine - fighting for openness

As hundreds of thousands of Ukrainian soldiers defend their country against Russia, many patriotic civilians are engaged in a struggle that's less risky, but that they believe is also vital. They’re battling for a fairer, less corrupt Ukraine, worthy of its heroes. For Assignment, Tim Whewell follows one tireless citizens’ group in the city of Dnipro as they continue, even in wartime, to hold local authorities to account. They've been investigating a contract to repair housing damaged in a Russian attack. And they claim there's been corrupt profiteering. But Dnipro's powerful mayor dismisses the allegations - and deliberately insults those who question his priorities. What's the role of civil society when rockets are falling? And can Ukraine - one of the world's more corrupt countries - pursue reform while the war continues?