Civil Guard officers cry after a state funeral service for their two fellow officers, who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY MILITARY) 

Civil Guards embrace following the funeral for two of their fellow officers who were killed yesterday in a car bomb blast in Palma de Mallorca July 31, 2009. A bomb placed under a civil guard 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.. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY) 

Civil Guard officers embrace each other as they attend the vigil for two fellow officers who were killed in an attack in Palma de Mallorca , 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. REUTERS/Dani Cardona (SPAIN CRIME LAW CONFLICT POLITICS) 

A Civil Guard officer cries after a state funeral service for their two fellow officers, who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY MILITARY) 

Spain's Crown Prince Felipe (L) and his wife Princess Letizia talk with a Civil Guard officer after a state funeral service for the two fellow officers, who were killed yesterday in a car bomb blast, after their state funeral service in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY ROYALS) 

A Civil Guard officer reacts as he arrives at a cathedral to attend state funeral services for the two fellow officers, who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY) 

A relative cries as she leaves the cathedral after a state funeral service for two Civil Guard officers, who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY) 

Family members (R) grieve as they enter the cathedral for the state funeral services of two Civil Guards who were killed in a car bomb blast in Palma de Mallorca July 31, 2009. A bomb placed under a civil guard 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. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY) 

Civil Guard officers carry the coffin of one of their two fellow officers who was killed yesterday in a car bomb blast, as they exit the cathedral following their state funeral service in Palma de Mallorca July 31, 2009. A bomb placed under a civil guard 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. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY) 

Spain's Crown Prince Felipe (C) and his wife Princess Letizia bow their heads as Civil Guard officers and a National Police member carry the coffin of one of their two fellow officers, who were killed yesterday in a car bomb blast, before entering a cathedral for their state funeral service in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY ROYALS) 

Civil Guard officers carry the coffin of one of their two fellow officers who was killed yesterday in a car bomb blast, as they exit the cathedral following their state funeral service in Palma de Mallorca July 31, 2009. A bomb placed under a civil guard 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. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY) 

Spain's Crown Prince Felipe (2nd R), his wife Princess Letizia (3rd R), Inaki Urdangarin and Infanta Cristina (C) stand as Civil Guard officers carry the coffin of one of their two fellow officers, who were killed yesterday in a car bomb blast, after their state funeral service in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY ROYALS) 

Spain's Prime Minister Jose Luis Rodriguez Zapatero (R) places a medal over a coffin during a vigil for two Civil Guards who were killed in an attack in Palma de Mallorca, 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. FACES OF CIVIL GUARD PERSONNEL MASKED AT SOURCE. REUTERS/Ballesteros/Pool (SPAIN CRIME LAW CONFLICT POLITICS) 

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) 

Spain's Crown Prince Felipe gives condolences to a relative during state funeral services for the two Civil Guard officers, who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Ballesteros/Pool (SPAIN ROYALS OBITUARY CRIME LAW CONFLICT) 

Spain's Crown Prince Felipe gives condolences to a relative during state funeral services for the two Civil Guard officers, who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Ballesteros/Pool (SPAIN ROYALS OBITUARY CRIME LAW CONFLICT) 

Spain's Princess Letizia reacts as she arrives at a cathedral to preside over a state funeral services for the two Civil Guard officers, who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY ROYALS) 

Family members grieve as they enter the cathedral for the state funeral services of two Civil Guards who were killed in a car bomb blast in Palma de Mallorca July 31, 2009. A bomb placed under a civil guard 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. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY) 

Spain's Crown Prince Felipe (R) is greeted by a Civil Guard officer as he arrives at a cathedral to preside over a state funeral services for the two fellow officers, who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY ROYALS) 

Family members grieve as they enter the cathedral for the state funeral services of two Civil Guards who were killed in a car bomb blast in Palma de Mallorca July 31, 2009. A bomb placed under a civil guard 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. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY) 

People hold banners that read "No to ETA" as they observe a moment of silence for the killing of two police oficers, outside Madrid´s town hall 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. REUTERS/Susana Vera (SPAIN CONFLICT POLITICS) 

A woman cries as she holds a banner that reads "No to ETA" during a moment of silence in front of Madrid´s town hall 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. REUTERS/Susana Vera (SPAIN CONFLICT POLITICS) 

Local Madrid politicians observe a moment of silence for the killing of two police officers, at Madrid´s town hall 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. REUTERS/Susana Vera (SPAIN) 

Spain's Interior Minister Alfredo Perez Rubalcaba leaves a vigil for two Civil Guard officers who were killed in an attack in Palma de Mallorca, 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. REUTERS/Dani Cardona (SPAIN CRIME LAW CONFLICT POLITICS) 

Spain's Crown Prince Felipe and his wife Princess Letizia walk as they arrive at a cathedral to preside over a state funeral services, for the two Civil Guard officers who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY ROYALS) 

Family members arrive for a vigil for two Civil Guards who were killed in an attack in Palma de Mallorca , 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. REUTERS/Dani Cardona (SPAIN CRIME LAW CONFLICT POLITICS) 

(L-R) Spain's Secretary of State for Security Antonio Camacho, Basque Premier Patxi Lopez and Spain's Interior Minister Alfredo Perez Rubalcaba stand outside a cathedral as they attend a state funeral services for the two Civil Guard officers, who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY) 

Spain's Prime Minister Jose Luis Rodriguez Zapatero (L) greets Balearic regional president Francesc Antich as they leave a vigil for two Civil Guards who were killed in an attack in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CRIME LAW CONFLICT POLITICS) 

Spain's Prime Minister Jose Luis Rodrigez Zapatero and Interior Minister Alfredo Perez Rubalcaba leave a vigil for two Civil Guards who were killed in an attack, in Palma de Mallorca 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. REUTERS/Dani Cardona (SPAIN CRIME LAW CONFLICT POLITICS) 

Spain's Prime Minister Jose Luis Rodriguez Zapatero leaves a vigil for two Civil Guards who were killed in a car bomb blast, in Palma de Mallorca, 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. REUTERS/Dani Cardona (SPAIN CRIME LAW CONFLICT POLITICS) 

Civil Guard officers (R) keep watch from a roof during state funeral services for the two fellow officers, who were killed yesterday in a car bomb blast, in Palma de Mallorca July 31, 2009. Two Civil Guards died in the blast in what authorities called the second major attack by the Basque separatist group ETA in two days. REUTERS/Dani Cardona (SPAIN CONFLICT CRIME LAW OBITUARY MILITARY)