American forces arrested three pirates after seeing them in ` ` immediate danger , '' Marine says . American captain freed after being held hostage by pirates since Wednesday . Captain ' ` ` is in good health , '' Navy officer says . Fourth pirate taken into custody .
U.S. forces killed 3 pirates after seeing captain in `` immediate danger , '' Navy says . American captain freed after being held hostage by pirates since Wednesday . Richard Phillips `` is in good health , '' Navy officer says . Fourth pirate taken into custody .