Israel minister warns Russia against arming Syria

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An Israeli soldier acting as if he is wounded waits for Israeli soldiers of the Home Front Command rescue unit during a drill in Azur, near Tel Aviv, Israel, Tuesday, May 28, 2013. Israel has launched a national civil defense drill, which the army said this year will focus on the threat of unconventional weapons at a time of growing regional tensions. (AP Photo/Ariel Schalit)

JERUSALEM (AP) — Israel's defense minister is signaling that his military is prepared to strike shipments of advanced Russian weapons to Syria.

Israel has been pressing Moscow not to go through with a promised delivery of advanced S-300 anti-aircraft missiles to Damascus. Israel fears the missiles could slip into the hands of hostile groups like Hezbollah.

Defense Minister Moshe Yaalon said on Tuesday that Israel believes the missiles haven't been shipped yet but the military "will know what to do" if they are delivered.

Yaalon spoke at an annual home front drill preparing for missile attacks. This year's exercise comes at a time of heightened concerns that Israel could be dragged into the Syrian civil war.

Israel is believed to have carried out recent airstrikes on weapon depots inside Syria destined for Hezbollah.