Vietnam : Vietnamese take to the streets to protest against perceived territorial incursions by China . NEW : All ASEAN foreign ministers expressed their deep concern about South China Sea . '' North China Sea disputes , backdrop to ASEAN summit in Manila . Vietnam says Chinese fishermen have committed violent attacks on Vietnamese vessels . Chinese fishermen arrested by Philippines authorities in a separate dispute .
Vietnam : Vietnamese take to the streets to protest against perceived territorial incursions by China . NEW : North China Sea disputes , backdrop to ASEAN summit in Manila . Vietnam says Chinese fishermen have committed violent attacks on Vietnamese vessels . Chinese fishermen arrested by Philippines authorities in a separate dispute .