Saudi Arabia’s crown prince is seeking back from the president of Egypt, his ally across the Red Sea, as the kingdom faces increased attacks by Yemen’s Houthi rebels.

With his kingdom under attack, Saudi Arabia’s crown prince reached out to Egypt for support against Yemen's Houthi rebels who have disrupted key avenues of commerce, contributing to a spike in the cost of oil around the world.

The alerts were swiftly lifted and Saudi authorities did not immediately report whether any incoming projectiles had landed.

Experts tell BBC Verify the pipeline's closure could cut oil supplies by as much as 3.6 million barrels per day.

The kingdom is in a state of strategic shock after coming under attack from an emboldened Iran and failing to win more U.S. military support, analysts say.

A sharp escalation by the Houthis against Saudi Arabia, coupled with their advance toward the Bab el-Mandeb Strait, prompted Saudi Crown Prince Mohammed bin Salman to ask President Donald Trump

By Siddharth Cavale and Anushree Mukherjee NEW YORK, Sept 15 (Reuters) - Oil prices rose by over $3 on Tuesday after shipping industry sources said oil loadings at Saudi Arabia's Red Sea port of Yanbu had been suspended,

Saudi Arabia is running out of work-arounds to keep its oil flowing, with Iran-backed Houthi rebels threatening its exports via the Red Sea.