RIYADH: The Arab coalition fighting the Houthi militias in Yemen announced on Friday the launch of a military operation in the north of Hodeidah against legitimate military targets. The coalition said it destroyed four sites used to gather and booby-trap remote boats and maritime mines. The destruction of hostile sites contributes to preserving the freedom of maritime navigation, a statement from the coalition said which was carried on the Saudi Press Agency, adding that the operation abides by International law. The coalition warned civilians to stay away from the targeted locations for their own safety.