▁R ival ▁Val d és ) ▁later ▁died ▁of ▁his ▁w ounds . ▁The ▁M IR ▁claimed ▁responsibility ▁for ▁the ▁bomb ing . ▁On ▁ 1 7 ▁February ▁ 1 9 8 6 , ▁two ▁trains ▁crash ed ▁in ▁an ▁area ▁of ▁Lim ache ▁that ▁had ▁been ▁reduced ▁to ▁one ▁track ▁after ▁M IR ▁gu err illas ▁had ▁destroyed ▁a ▁nearby ▁bridge , ▁killing ▁ 1 0 0 ▁and ▁w ounding ▁ 5 0 0 ▁civ ili ans . ▁On ▁ 2 6 ▁February ▁ 1 9 8 6 , ▁un ident ified ▁gu err illas ▁or ▁their ▁sympath izers ▁shoot ▁and ▁kill ▁car ab ine er ▁Lieutenant ▁Alfonso ▁Maur icio ▁River a ▁López . ▁In ▁May ▁ 1 9 8 6 ▁M IR ▁gu err illas ▁threw ▁sul ph ur ic ▁acid ▁into ▁a ▁bus , ▁seriously ▁inj uring ▁six ▁people , ▁including ▁two ▁children . ▁On ▁ 2 5 ▁July ▁ 1 9 8 6 , ▁a ▁bomb ▁plant ed ▁in ▁a ▁tr ash ▁can ▁expl oded ▁at ▁a ▁crow ded ▁bus ▁stop ▁a ▁few ▁yards ▁from ▁the ▁president ial ▁palace , ▁w ounding ▁ 3 6 ▁people . ▁On ▁ 6 ▁August ▁ 1 9 8 6 , ▁security ▁forces ▁discovered ▁ 8 0 ▁tons ▁of ▁weapons ▁at ▁the ▁tiny ▁fish ing ▁har bor ▁of ▁Car riz al ▁B ajo , ▁sm ugg led ▁into ▁the ▁country ▁by ▁the ▁Manuel ▁Rodríguez ▁Patri otic ▁Front ▁( F PM R ). ▁The ▁ship ment ▁of ▁Car riz al ▁B ajo ▁included ▁C