A poster of Saudi Arabia's Crown Prince Mohammed bin Salman with a phrase reading in Arabic, " God protect you" is seen on a highway in the northern Lebanese port city of Tripoli on November 9, 2017.
Lebanon's former prime minister Saad Hariri announced his resignation last weekend from the Saudi capital Riyadh in a televised speech which sparked concerns of a political crisis in Lebanon as tensions between Saudi Arabia and Iran escalated.
 / AFP PHOTO / IBRAHIM CHALHOUB        (Photo credit should read IBRAHIM CHALHOUB/AFP/Getty Images)