Liam Burns, who was previously the leader in Scotland, was heckled and forced from the stage at the event in Kennington Park.
Students, including more than 1000 from north of the Border, took part in the central London event.
A student rally attended by 10,000 protesters was abandoned after the Scots leader of the National Union of Students was pelted with eggs and a satsuma over its tuition fees stance.
Liam Burns, who was previously the leader in Scotland, was heckled and forced from the stage at the event in Kennington Park.
Students, including more than 1000 from north of the Border, took part in the central London event.
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