Spain's Prime Minister Jose Luis Rodriguez Zapatero (C) stands with Interior Minister Alfredo Perez Rubalcaba (R) and Popular Party opposition leader Mariano Rajoy (L) as they attend a vigil in Palma de Mallorca for two Civil Guards who were killed in an attack, July 31, 2009. A bomb placed under a police car killed two officers on the Spanish holiday island of Mallorca on Thursday, in what authorities called the second major attack by the Basque separatist rebel group ETA in two days. QUALITY FROM SOURCE. REUTERS/Ballesteros/Pool (SPAIN CRIME LAW CONFLICT POLITICS)