A statement a few hours ago from the Ukrainian defence ministry said its forces are "shifting to offensive actions" in some areas. But for such an under-stated statement, there's been a frenzy of speculation today. Is this the start of the long-expected, big counter-offensive by Ukraine against Russia?

Also - an astonishing miscarriage of justice in Australia- we'll hear from the law professor who first took up the case more than ten years ago; and the promise of solar energy captured in space.

(Photo: A Ukrainian serviceman stands near an anti-aircraft missile launcher Ukraine, 07 April 2023. Credit: Oleg Petrasyuk /EPA-EFE/REX/Shutterstock)