ISRAELE - Suonano le sirene: 4 giorni di esercitazione civile di difesa

(AP Photo/Oded Balilty)

Tel Aviv, 26/05/2010 - Israeli children take cover in a classroom during an air raid siren drill at Gordon school in Tel Aviv, Israel. Air raid sirens have sounded across Israel as part of a massive air raid drill. Citizens rushed to air raid shelters Wednesday in the public part of the four-day-long drill. Israel is practicing its response to a widespread rocket attack all over the country.