The violence fueled concerns that Iraq is descending into a guerrilla war despite US insistence that resistance is local, not centrally organized.

• 尽管美国一再坚持伊拉克的抵抗是局部的而不带有组织性质，不断发生的暴力冲突还是进一步加剧了人们对伊拉克会发展成为游击战的担心。