As the Houthi militia intensifies its missile and drone assaults on Saudi Arabia, concerns mount over the security of global oil supplies, prompting Gulf states to delay critical negotiations with Iran aimed at reopening the vital Strait of Hormuz. The Houthi advances in recent days, including the taking of Perim Island at the mouth of the Red Sea, have put further pressure on Saudi oil exports after an aerial attack on Thursday knocked Saudi Arabia’s east-west pipeline offline. Key points and original sources are listed below.

• As the Houthi militia intensifies its missile and drone assaults on Saudi Arabia, concerns mount over the security of global oil supplies, prompting Gulf states to delay critical negotiations with Iran aimed at reopening the vital Strait of Hormuz.S1

• The Houthi advances in recent days, including the taking of Perim Island at the mouth of the Red Sea, have put further pressure on Saudi oil exports after an aerial attack on Thursday knocked Saudi Arabia’s east-west pipeline offline. Riyadh blamed the pipelin...S2