SANAA, Yemen: Saudi Arabia vowed on Tuesday (Sep 15) to respond "firmly" to attacks by Yemen's Houthis, after the Iran-backed fighters wounded 13 people in the kingdom in an assault

Houthi strikes on Saudi infrastructure have prompted more than 50 strikes by Riyadh as hostilities escalated.

In the early hours of Sept 15, Saudi civil defence issued air-raid alerts in six regions, before lifting them. Read more at straitstimes.com.