1.   His swarming attacks gradually overwhelmed wright who took two knock downs and a standing count before the referee halted it in the third.

2.   The problem, insurers say, is not that they are in financial trouble now, but that future attacks could overwhelm them.

3.   Such attacks can overwhelm Web sites and prevent their use by legitimate visitors.

4.   The WHO report said countries needed to cooperate because an attack could easily overwhelm the resources of a single nation.