Gas masks lie abandoned among rusting debris in a shell-pocked Saudi military outpost on the border with war-torn Yemen, an enduring flashpoint in more than two years of fighting against Houthi militias.
GRAPHIC CONTENT: A Saudi soldier fires a mortar towards Houthi movement position, at the Saudi border with Yemen April 21, 2015. REUTERS/Stringer
A Saudi border guard watches as he stands in a boat off the coast of the Red Sea on Saudi Arabia's maritime border with Yemen, near Jizan April 8, 2015. Iran sent two warships to the Gulf of Aden on Wednesday, state media reported, establishing a military presence off the coast of Yemen where Saudi Arabia is leading a bombing campaign to oust the Iran-allied Houthi movement. REUTERS
Saudi soldiers take their position at Saudi Arabia's border with Yemen April 6, 2015. (File photo: Reuters)