Complex sentence: In an ambush in Orio, ETA attempts a repeat of the attack in Ispaster earlier in the year and kills 2 Civil Guards, however a subsequent gun fight results in the death of 2 ETA members.
Split into simpler sentences: In an ambush in Orio, ETA attempts a repeat of the attack in Ispaster earlier in the year and kills 2 Civil Guards. However a subsequent gunfight results in the death of 2 ETA members.