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?