Complex sentence: The "Beagle" opened fire, interrupting the capture of a sloop from Saint Croix, but the pirates docked at Punta Arenas in Vieques and fled inland; one, identified as Juan Felis, was captured after a shootout.
Split into simpler sentences: The "Beagle" interrupted the capture of a sloop from Saint Croix by opening fire, but the pirates docked at Punta Arenas in Vieques and fled inland. Only one, identified as Juan Felis, was captured following a shootout.