Members of the military police stand outside the burnt Rabaa al-Adawiya mosque
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Egypt crisis: Diplomats across world condemn violence

16 August 2013 Last updated at 09:26 BST

The UN Security Council held an emergency session on Thursday to discuss the events in Egypt. It urged all Egyptians to show "maximum restraint".

President Obama has condemned the violence, and cancelled planned joint military exercises with Egypt.

But some US politicians say America's response to the crisis has been weak.

Katy Watson reports from Washington.