Russian soldiers secure a bridge on River Enguri, which is on the border of breakaway region of Abkhazia and Georgia, as locals pass through on a carriage 3 km (1.9 miles) from the western Georgian city of Zugdidi August 19, 2008. The head of Russia's main domestic security service accused Georgia on Tuesday of plotting terrorist attacks in Russia following its war with Moscow and ordered extra security at key sites. REUTERS/Umit Bektas (GEORGIA)