The move follows a lightning advance by Iranian-backed Houthi fighters who seized Yemen's entire Red Sea coast.

A Houthi advance along Yemen's Red Sea coast could help push gas prices up even more as the Iran-backed group also launches attacks on Saudi Arabia's oil facilities

Unconfirmed blaze raises concerns for Saudi Arabia’s vital Red Sea oil lifeline

Houthi strikes threaten Saudi oil exports as Brent hits $105 and Middle Eastern crude soars to $120.

IRAN-CRISIS:Saudis shut down oil pipeline as Houthis tighten grip on Red Sea shipping