Demonstrators wear tape over their mouths as they protest outside the Egyptian embassy in central London to mark the one year anniversary of the arrest of three Al Jazeera journalists in Egypt.

Demonstrators wear tape over their mouths as they protest outside the Egyptian embassy in central London to mark the one year anniversary of the arrest of three Al Jazeera journalists in Egypt.

A demonstrator wearing tape on her mouth holds up a pair of handcuffs and a placard as she joins a protest outside the Egyptian embassy in central London to mark the one year anniversary of the arrest of three Al Jazeera journalists in Egypt.

A protester has her mouth taped while demonstrating for the release of Al Jazeera journalists, outside the Egyptian Embassy in London