Shells fired by the Syrian army explode in the Syrian village of Bariqa (top) on Monday. Israeli tanks (above) get into firing position in the Israeli-controlled Golan Heights overlooking the Syrian village. Israel said it responded to stray mortar fire from Syria. Israel has promised a tough response if the fire continues. (Associated Press)

Shells fired by the Syrian army explode in the Syrian village of Bariqa (top) on Monday. Israeli tanks (above) get into firing position in the Israeli-controlled Golan Heights overlooking the Syrian village. Israel said it responded to stray mortar fire from Syria. Israel has promised a tough response if the fire continues. (Associated Press)