"This is what the Sovereign LORD says: 'Because the Philistines acted in vengeance and took revenge with malice in their hearts, and with ancient hostility sought to destroy Judah,"
NIV
Thus says the Lord God: Because the Philistines have dealt revengefully and have taken vengeance contemptuously, with malice and spite in their hearts, to destroy in perpetual enmity
AMP
Thus saith the Lord GOD; Because the Philistines have dealt by revenge, and have taken vengeance with a despiteful heart, to destroy it for the old hatred;
KJV
"Because you harbored an ancient hostility and delivered the Israelites over to the sword at the time of their calamity, the time their punishment reached its climax,"
NIV
Because you [of Esau] have had a perpetual enmity [for Jacob] and you gave over the sons of Israel to the power of the sword at the time of their calamity, when they were suffering their final punishment [the Babylonian conquest], [Ezek. 25:12-14; 36:5.]AMP
Because thou hast had a perpetual hatred, and hast shed the blood of the children of Israel by the force of the sword in the time of their calamity, in the time that their iniquity had an end:
KJV
He unleashed against them his hot anger, his wrath, indignation and hostility – a band of destroying angels.
NIV
He let loose upon them the fierceness of His anger, His wrath and indignation and distress, by sending [a mission of] angels of calamity and woe among them.
AMP
He cast upon them the fierceness of his anger, wrath, and indignation, and trouble, by sending evil angels among them.
KJV