Russia blocks Georgia's main port city

POTI, Georgia (AP) - Russian forces dug trenches and built fortifications in key areas of Georgia Thursday, but also rolled columns of tanks north toward home, picking and choosing how their nation would comply with the terms of a peace accord.

Although Russian President Dmitry Medvedev has pledged his forces would pull back from Georgia by Friday, his troops appeared to be in no hurry—even settling down in strategic spots. This raised concerns about whether Moscow was aiming for a lengthy occupation of its smaller, pro-Western neighbor. ....