Tens of thousands of Egyptian activists gathered in Cairo's Tahrir Square Friday to press for reforms, including demanding the prosecution of ousted president Hosni Mubarak.

While demonstrators regularly gather in the square, Friday's protest was one of the biggest turnouts since the popular revolution overthrew Mubarak on February 11. Protesters held a similar demonstration last week.

Massive Cairo Protest Calls for Mubarak's Prosecution

Since his ouster, Mubarak's family assets have been frozen and his family remains under house arrest in the Egyptian Red Sea resort of Sharm el-Sheikh.

Massive Cairo Protest Calls for Mubarak's Prosecution

The protesters also are calling for the removal of former regime officials from the new government.

Massive Cairo Protest Calls for Mubarak's Prosecution

Leaders of Egypt's pro-democracy movement are concerned about what they see as the continuing influence that members of the ousted administration still have in the military-led government.

This week, Egyptian state media announced that authorities have detained several former ministers, as well as Mubarak's former chief of staff Zakariya Azmi, while they investigate corruption allegations.