Security officers protect Georgia's President Mikheil Saakashvili (2nd L) and Poland's President Lech Kaczyinski (R) after a shooting at the checkpoint near South Ossetia's de facto border some 30 km (17 miles) west of Tbilisi, November 23, 2008. South Ossetian security forces fired shots into the air as a convoy carrying the Georgian and Polish presidents approached the breakaway territory, forcing them to turn back, a witness said. [Agencies]