Egypt's Prime Minister Ahmed Shafiq has apologised for the fighting between pro- and anti-government demonstrators, which killed five persons and wounded 836 people. Speaking on state TV, he termed the clashes a fatal error and pledged to investigate the violence. He denied government role in the incidents. Mr. Shafiq also announced that he will send a delegation to Tahrir square to talk to protesters. However, opposition leaders have demanded the resignation of President Mubarak and rejected any talks.Egypt's Health Minister Ahmed Samih Farid has said that five people were killed and 836 injured in the fighting, which began at Tahrir square in Cairo on Wednesday after pro Mubarak demonstrators attacked anti government protesters. Some of the pro Mubarak supporters were on horseback and camels. After several hours of clashes, anti Mubarak protesters are still at Tahrir square demanding resignation of President Mubarak. Military has created a barrier between Pro and anti Mubarak protestors to avoid further clashes.US Secretary of State Hillary Clinton has expressed shock over violence in Egypt after many days of peaceful demonstrations. In a telephonic conversation with Egyptian Vice President Omar Soliman, she expressed the hope that both the government and the opposition would seize the opportunity and start serious and meaningful negotiations immediately about Egypt's transition to a more open, pluralistic, and democratic government.Earlier Army urged the youth to return home, saying it is time to go back to normal life after the announcement of Egyptian President Hosni Mubarak that he will not stand for re-election in September and promised to initiate political reforms.AIR correspondent reports, after a day of clashes, anti-government protesters kept a grim grip on the Tahrir square in an effort to oust their president. However, their continued presence in Square came at the cost of lives. Prime minister apologised and even proposed the talks but opposition has rejected it and again demanded the resignation of President Mubarak. The opinion of world leaders is that President Mubarak should step aside before Egypt descends into more chaos but there is no immediate indication that he will resign. The events in Egypt are taking heavy toll on country’s economy and reverberating in Yemen where a large anti government demonstration took place on Thursday against President Saleh.