A Spanish National Police officer stands guard on the Portixol beachside in Palma de Mallorca August 9, 2009. A bomb exploded on Sunday in a beachfront restaurant in the capital of the island of Mallorca, Spanish government officials said, and media reported there had been a phone warning in the name of Basque separatist group ETA. REUTERS/Dani Cardona (SPAIN POLITICS CONFLICT)