CAIRO (Reuters) - The Muslim Brotherhood said at least 31 people died early Saturday after security forces attacked a protest by supporters of deposed President Mohamed Mursi in Cairo.

"They are not shooting to wound, they are shooting to kill," Muslim Brotherhood spokesman Gehad El-Haddad said, adding that demonstrators had been hit by gunshot in the head and chest. The Brotherhood said earlier at least 23 had died in the violence.

(Reporting By Maggie Fick; editing by Crispian Balmer)

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