Fighting in July interrupted what had been a stretch of relative quiet on the Armenia-Azerbaijan border. The incidents underscored how quickly and unexpectedly this front can erupt. The two countries should take better advantage of a hotline created in 2018 to avoid dangerous misunderstandings.

The Israeli military said Thursday it was reinforcing the country’s northern border with infantry troops “in accordance with the situational assessment.”

Turkey is taking its decades-old conflict with Kurdish militants deep into northern Iraq, establishing military bases and deploying armed military drones against the fighters in their mountain strongholds.