Gregg Carlstrom/Al Jazeera
A group of about 50 protesters, many of them relatives of people killed during the revolution, arrived early on Saturday morning.
Gregg Carlstrom/Al Jazeera
Some of the demonstrators yelled at the security forces stationed outside the police academy, calling the former president a dog.
Gregg Carlstrom/Al Jazeera
One man held up a poster with several zucchinis, symbols of corruption in Egypt, glued on.
/Al Jazeera
More than 5,000 members of the security forces and 50 armoured vehicles were deployed at the police academy, according to the interior ministry.
Gregg Carlstrom/Al Jazeera
A man wearing chains directed his criticism not just at Mubarak but at his last prime minister, Ahmed Shafiq.
Gregg Carlstrom/Al Jazeera
Across the street, a tiny group of about 20 pro-Mubarak protesters praised the former president.
Gregg Carlstrom/Al Jazeera
One pro-Mubarak protester held a sign calling him the "hero of war and peace."
Gregg Carlstrom/Al Jazeera
There were a few moments of levity, like when a vendor handed out ice cream cones to the Central Security Forces.
Gregg Carlstrom/Al Jazeera
Many people dropped to their knees to pray after hearing Mubarak had been sentenced to life in prison.
Gregg Carlstrom/Al Jazeera
The initial reaction was euphoria: People fired off sparklers, prayed, cried, and cheered.
Gregg Carlstrom/Al Jazeera
The strongest reactions came from the parents of people killed during the revolution; many burst into tears.
Gregg Carlstrom/Al Jazeera
Several people outside the police academy said they'd wished Mubarak received the death penalty.
Gregg Carlstrom/Al Jazeera
The initial euphoria eventually gave way to anger, though, and protesters began to mass in Tahrir Square.
Gregg Carlstrom/Al Jazeera
One group of protesters roamed downtown, looking for Ahmed Shafiq posters to burn.
Gregg Carlstrom/Al Jazeera
The families of people killed throughout the revolution went to Tahrir to protest: Why, they asked, were high-ranking police officials acquitted?
Gregg Carlstrom/Al Jazeera
Thousands of protesters trickled into the square as the sun set and Egypt's summer heat began to break.
Gregg Carlstrom/Al Jazeera
One man held a sign accusing the trial judge of bias: "We want judges from China; ours are unfair."
Gregg Carlstrom/Al Jazeera
Protests were expected to continue throughout the night as senior political leaders visited Tahrir.