PTR - May 23, 2014

Supporters of protest movement figurehead Alexei Navalny are being investigated for stealing donations made to his political campaign; Time to go shopping for choppers - as Russia's biggest helicopter show kicks off in Moscow, with 50 companies showing off their latest flying machines; And - some 50-thousand school-leavers in Moscow celebrate finishing their studies, as traditional Last-Bell festivities take over the capital's squares, parks and fountains.