When an attacker killed two US service members and a civilian interpreter in Syria over the weekend, President Donald Trump vowed “very serious” retribution against those responsible and officials were quick to describe the assailant as a “lone gunman” who was a member of ISIS.

The US military says it has carried out strikes on three boats it has accused of trafficking drugs in the Pacific Ocean, killing eight people. The US Southern Command posted footage of the strikes on social media and said the vessels were "transiting along known narco-trafficking