At least three soldiers have been killed and dozens of people injured after a protest in Cairo against an attack on a Coptic Christian church.
Egyptian TV showed protesters throwing petrol bombs and army vehicles burning outside the state television building.
Copts blame Muslim radicals for the partial demolition of a Coptic church in Aswan province last week.
Sectarian tensions have increased since President Hosni Mubarak was ousted in a popular uprising in February.
Egypt’s Coptic Christians – who make up about 10% of the population – accuse the governing military council of being too lenient on the perpetrators of a string of anti-Christian attacks.
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