1.  Pamplona is the capital of Navarra which borders the Basque region and which ETA believes should form part of any future Basque state.

2.  ETA ended its cease-fire because it said politicians were not making progress toward its demands for an independent Basque state, which straddles northern Spain and southwestern France.

3.  ETA wants to incorporate Navarre, which has many Basque-speaking towns, into a future Basque state.

4.  ETA made headlines Thursday after claiming responsibility for the recent killings of five people in its war for a Basque state.

5.  ETA is leading a deadly armed campaign for an independent Basque state.

6.  ETA wants to include the province of Navarra in a future independent Basque state, even though they are located south what is now considered the Basque region.

7.  Five weeks after armed Basque separatists declared a cease-fire, regional elections have shown voters still sharply divided over creating an independent Basque state in northern Spain.

8.  Five weeks after armed Basque separatists declared a cease-fire, regional elections Sunday showed voters still sharply divided over creating an independent Basque state in northern Spain.

9.  It was the seventh killing this year blamed on ETA, the armed group seeking a Basque state in four northern Spanish provinces.

10.  Navarre, which has many Basque-speaking towns, was included in the strike because Herri Batasuna and ETA want to incorporate it into a future Basque state.