According to reports around 17 to 18 September 2026, at least how many people died as Houthis and Saudi-backed Yemeni forces traded fire?

Explanation: At least 68 people died as Houthis and Saudi-backed Yemeni government forces exchanged fire, with a Yemeni official reporting 23 government soldiers killed across two southwestern provinces and the Houthis reporting 40 fighters killed in Saudi air strikes and ground combat. The United Nations separately warned that at least nine children had been killed and more than 57,000 displaced during two weeks of fighting. The escalation is a key humanitarian data point for CSS answer writing.