Don't look back in anger: Oasis reunites as comeback tour kicks off in Cardiff

In this edition of arts24: the first of the Oasis brothers Noel and Liam Gallagher's concerts in Cardiff kicks off a 41-date world tour; a landmark exhibition celebrates a master of Post-Impressionism – Paul Cézanne – in Aix-en-Provence, the French city where he grew up; and we shine a spotlight on Bollywood leading lady Alia Bhatt, who talks about her new female-led spy drama, "Alpha".