A suicide attacker detonated a car bomb near a military base in Russia's southern Dagestan region today, killing a number of people. An un-named military official said casualties are feared but their number is being established. The car exploded about 200 meters from a base housing a brigade of marines in the town of Kaspiysk in the mainly Muslim region of Dagestan, the official said. <br/> Police are already on alert for possible attacks ahead of today's celebrations of the 65th anniversary of the Soviet victory in World War II.<br/><br/>