Retributive violence would add to the risk of further terrorism, and it may also add to the risk of escalation to the use of nuclear, chemical, or biological weapons by a terrorist group.

• 以暴制暴将会增加恐怖主义进一步发展的风险，而且它还可能提升恐怖组织动用核武器、化学武器及生物武器的风险。