Last updated: 28 july, 2009 - 06:22 GMT

South Africa

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As you heard in the news, the Congress of South African Trade Unions (COSATU) has pledged its full support for a strike by municipal workers which began yesterday.

About 150,000 workers are demanding better wages and conditions of employment - and have demonstrated their displeasure.

The public sector workers emptied piles of rubbish onto the streets of Johannesburg during a march.

The ruling ANC has reportedly condemned the workers' behaviour.

Recent strikes and unrest are seen as the major challenges for President Jacob Zuma - who came to power three months ago backed by Cosatu.

So do the striking workers have Cosatu's support?

Lewis Machipisa asked the union's spokesman, Patrick Craven on the line to Johannesburg.

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