Egypt's Army Intervenes In Tense Protests In Cairo

In Cairo, Egypt's army moved Thursday to prevent violence that turned Tahrir Square into a battle zone a day earlier. Tanks and troops took positions to keep apart anti-Mubarak protesters and Mubarak supporters who have been showing up armed with knives, iron bars and Molotov cocktails. Egypt's prime minister said the attacks Wednesday by supporters of the government were a "blatant mistake" and that the government will investigate. NPR's Corey Flintoff in Cairo talks with Renee Montagne.