A security source at the Ministry of Interior denied reports on some websites and social media about the removal of graffiti on the walls of Mohamed Mahmoud Street near Tahrir square by police forces.

According to the Middle East News Agency, the source said in a statement on Wednesday that the matter was checked and "it turned out that the police had anything to do with it."

All graffiti on the walls of the street was removed late Tuesday night as the walls were painted yellow.

Many expressed their dissatisfaction with this incident through social media websites.

Dozens of political activists began on Wednesday to spray the walls with new graffiti on the American University in Cairo walls in Mohamed Mahmoud Street at the same place where the remove graffiti had been.

"We came to respond to what happened and draw again," said Ahmed Nadi, a graffiti artist.