A bomb killed two police officers and seriously injured a third Friday in the northern Spanish region of Navarre in an attack which the government blamed on armed Basque separatist group ETA. “ETA has returned to commit a brutal attack,” Deputy Prime Minister Mariano Rajoy told a news conference. “We will keep fighting within the law. … This a terrorist group and those who support it.” Rajoy said two police officers were killed and a third was in a serious condition in hospital after the bomb attack in the main square of the small town of Sanguesa, some 28 miles east of the regional capital Pamplona. A civilian was also receiving treatment for minor injuries, Rajoy said. Full Story