The United States and the U.K. launched another round of airstrikes against Houthi targets in Yemen last night. This second round of strikes was smaller than the first, and targeted a radar installation used by the Houthis.

Houthi spokesman Nasruldeen Amer told Al Jazeera Arabic there were no injuries or “material damages”after the strike, and promised a “firm, strong and effective response.”

Per a statement by UN Special Envoy for Yemen Hans Grundberg, “The Special Envoy urges all involved to exercise maximum restraint and to prioritize diplomatic channels over military options and calls for de-escalation.”