Split picture of pro and anti Morsi demonstrators
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Tensions mount as Egypt plans vote on new constitution

2 December 2012 Last updated at 09:59 GMT

Supporters of Egypt's President Mohammed Morsi have welcomed his call for a 15 December referendum on a controversial draft constitution.

But opposition figures vowed to fight on against the draft document, which they say undermines basic freedoms.

Alpa Patel reports.