Militants attacked a university in the western city of Ramadi early Saturday, forcing students and professors to flee gunfire and shelling, while in the capital, at least 48 people were killed by car bombs in an apparently coordinated series of explosions. It was the third day of surging violence in Iraq . Since Thursday, Sunni militants have conducted a series of lightning attacks in major cities, leaving scores of people dead and the government forces scrambling to recover. On Thursday, gunmen carrying the banner of the Islamic State of Iraq and Syria, a Sunni extremist group, swept into the central city of Samarra, briefly capturing police stations, city buildings and several neighborhoods before being driven out. Militant gunmen and suicide bombers have also mounted an offensive in the northern city of Mosul over the last few days, killing civilians and police officers. Government troops have been able […]