But it is not just the youth wings of political parties in the spotlight.

The two youth wings say the practice is unethical and inhumane and they've… Audio

A planned May 15 demonstration was called off but frustrated opposition youth wings could step up protests.

Same Work Same Pay includes the youth wings of the Council of Trade Unions, and the Labour and Green parties.

All the big political parties have youth wings they can mobilise and there have already been reports of inter-party fighting.

The two youth wings say the practice is unethical and inhumane and they've teamed up to launch a petition today urging Parliament to outlaw it.

The youth wings of the National, Labour, Green and Act parties have made a joint plea to Parliament - keep the drinking age at 18.