(AGI) Rome, Sept 29 - European stocks closed lower on Monday,dragged down by the political tensions in Hong Kong and theweakness of the euro. Madrid was the worst performer, dropping1.52 percent to 10,686 points. Milan followed with the FTSE MIBdown 1.29 percent. Frankfurt fell 0.71 percent to 9422.91points, while Paris slipped 0.83 percent to 4358.07 points.London closed 0.04 percent lower at 6646.60 points. Wall Streetlost ground. . .