 Complete the following phrase:  In late January 2011, he participated in the Egyptian Revolution in Tahrir Square, having been a signatory to Mohamed ElBaradeis manifesto for political reform, Together for Change on March 28, 2010 with other film makers and directors. While in Tahrir, he took live footage, photographs and recorded audio casts which were later uploaded to the internet. He was interviewed several times in English, once by Ayman Mohyeldin of Al Jazeera, and several times by the BBC regarding the protests. Al-Ahram Weekly later reported that he was involved in an altercation with plain clothes police in which he was assaulted and then deleted the news! He reported that he has an ongoing lifetime project working on collating his footage and photographs of the uprising in Tahrir Square 2011, documenting the massive protests against president Mohamed Morsi of the Muslim Brotherhood in November 2012, the 