防暴警察使用了低致命性催泪弹来控制骚乱，避免造成人员死亡。

Riot police deployed ___less-lethal tear gas to control the unrest without causing fatalities.

警方配备了新的低致命性橡皮子弹以减少执法过程中的伤亡风险。

The police are equipped with new ___less-lethal rubber bullets to reduce casualties during law enforcement.