What on earth is going on at Celtic?

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Celtic’s major shareholder Dermot Desmond (pictured) has been targeted by fans critical of the 76-year-old's stewardship of the club.

Martin talks to The Herald’s Stephen McGowan and Tino Callaghan, host of the Celtic Exchange podcast, about the Celtic Fan Collective’s tennis ball protest in St Andrews – and the furious reaction it provoked.

Photo: PA

Scotcast is the BBC’s Scottish news podcast. This episode is hosted by Martin Geissler.

Get in touch: scotcast@bbc.co.uk