linked to ETA. Minutes later another office in San Sebastian was also attacked with a small fire. February 23: Two bombs exploded in the Basque Country in less than 24 hours. A rucksack packed with around 10 kg worth of explosives explodes outside the Basque Socialist Party headquarters in Lazkao, Gipuzkoa after a warning call from ETA. The blast took place at 03:00, causing major damage to the local but no injuries were reported. Two hours before some molotov cocktail were thrown at two banks in Tolosa, Gipuzkoa. Another bomb explodes in front of a batzoki in Gasteiz minutes before midnight causing minimal damage to the building. Police again blamed youth groups linked to ETA for the bomb. March 1: Molotov cocktail attacks on a court and several banks in the town of Amorebieta. The attacks caused minor damage and no injuries. March 26: A bomb carried with 2 kg of explosive device is detonated in Amorebieta, Vizcaya suspected to be the work of ETA. The explosion caused minor damage but no fatalities or injuries. The bomb was planted on the wall that surrounds a businessman's chalet. The unidentified businessman is on a list of individuals who are "at risk" of being targeted by ETA. May 6: Two bombs at booster stations in Castro Urdiales, Cantabria caused material damage and no injuries. A nearby school had to be evacuated. June 19: A car bomb explodes in Arrigorriaga near Bilbao, Biscay, killing an officer of the Policía Nacional. Though no claims were made, it is suspected to be the handiwork of ETA. It is the first attack since lehendakari Patxi López assumed office on May 7, 2009. July 10: After the arrest of three top ETA members, a powerful bomb explodes in a Spanish Socialist Workers' Party local office in Durango, causing extensive damage to the building and the surroundings. No one was injured or killed in the attack. July 29: A car bomb exploded outside a Guardia Civil barracks in the Northern Spanish city of Burgos. The attack injured 65 people, including women and children, and caused the collapse of the building's facade. ETA's claimed responsibility for the attack some days later, although confirmed they made several warning calls to police, something that the Spanish government denies. July 30: A car bomb exploded outside a Guardia Civil offices in Calvià, Majorca, killing two members of the Guardia Civil Carlos Sáenz