Amalekites had invaded the south, and Ziklag, and smitten Ziklag - While the strength of the Philistine forces was poured out of their country into the plain of Esdraelon, the Amalekite marauders seized the opportunity of the defenseless state of Philistia to invade the southern territory. Of course, David’s town suffered from the ravages of these nomad plunderers, in revenge for his recent raid upon their territory.