In south Lebanon, nine IDF soldiers were killed and 27 wounded as they battled Hezbollah guerrillas near the border.[108] The casualties sustained by the Israelis were the highest since the initiation of conflict. Hezbollah fired 151 rockets into northern Israel, injuring 31. Israeli Prime Minister Ehud Olmert said that Israel planned to maintain a 2 km security zone from the border free of Hezbollah as talks continued in Rome for an international peacekeeping force.