Tens of residents in Alexandria held Friday a protest at Al Qaed Ibrahim Square, denouncing terrorist attack on police checkpoint in the city of Arish, northern Sinai, Youm7 News reported. The protesters raised pictures of police and army martyrs, confirming their support to the state in its fight against terrorism, as well as chanting slogans denouncing terrorism. Al Qaed Ibrahim Square witnessed high security presence to secure the protest and ensure that no one violates the protest law.