Lebanese students mourn over the killing of Samir Kassir, a prominent anti-Syrian journalist, during a sit-in held in Martyrs square in Beirut June 2, 2005. Hundreds of Lebanese students and journalists held a sit-in over the killing of Samir Kassir, who was killed when a bomb exploded in his car in Beirut on Thursday, an attack the opposition blamed on Syria and its Lebanese security allies. REUTERS/Jamal Saidi