Hundreds of people gathered in Cairo's Tahrir Square Friday to protest against the recent expansion of the emergency law, amid palpable anger over the military's handling of transition from autocratic rule.
Last week the ruling Supreme Council of the Armed Forces (SCAF) widened the scope of the emergency law -- restricted in 2010 by ousted president Hosni Mubarak to narcotics and terrorism -- to strikes, traffic disruption and the spreading of rumours.
Imam Gomaa Mohammed, delivering the Muslim noon prayer sermon, called on the authorities to repeal the law immediately and also to end the military trial of civilians.
"The application of the emergency law totally contradicts the demands of the revolution" that toppled Mubarak in February following 18 days of mass nationwide rallies, Mohammed said.
He urged the military council to "abolish (the law) and to apply civil law to all citizens without exception."
Mohammed called for "an end to the military trials of civilians" demanding a retrial of all those sentenced by military courts -- a number rights groups put at more than 10,000.
Echoing demands by youth groups that helped launch the uprising, Mohammed urged authorities to lay out a "clear timetable for legislative and presidential elections," stressing that "security and stability will only return to the country after elections."
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An AFP correspondent said that about 1,000 people were gathered in Tahrir Square by midday.
On Thursday, Egyptian cyber-activist Wael Ghonim called for a clear roadmap in an open letter to military ruler Field Marshal Hussein Tantawi, the head of SCAF and Mubarak's long-time defence minister.
"After weeks and months, the mode of governance in our nation has not fundamentally changed and the excuse has been 'stability'," he said in the letter published on Facebook.
He called on the council to "quickly announce specific dates for the process of transferring complete power from the SCAF to an elected civilian authority that would control everything in the nation."
The tension between activists and the ruling military has been building up in recent months, marked by protests, clashes and general unrest.
On Thursday, Amnesty International slammed the recent expansion of the emergency law as a "serious erosion of human rights."
"The military authorities have essentially taken Egypt's laws back to the bad old days," said Philip Luther, Amnesty's Deputy Director for the Middle East and North Africa.
"These changes are a major threat to the rights to freedom of expression, association and assembly, and the right to strike," Luther said. "We are looking at the most serious erosion of human rights in Egypt since Mubarak stepped down."
"Not only must SCAF repeal these amendments, they need to end the state of emergency altogether, as they promised upon taking power in February," Luther said.