Saudia Arabia told its citizens to leave Lebanon "immediately" on Wednesday, following a number of kidnappings threats.
The BBC reported the Saudi embassy in Beirut said they had "reported threats to kidnap Saudi citizens," citing the state-run Spa news agency.
More from GlobalPost: Report: over 20 Syrians taken captive in Lebanon
The announcement follows the kidnapping of 20 Syrians in Lebanon who belonged to the rebel Free Syrian Army, the New York Times reported.
The powerful Mekdad clan said it abducted a number of Syrians connected to the Syrian rebels, the BBC reported. A Turkish national is reported to be among them.
The captors were shown on Lebanese television threatening to capture more people inside Lebanon until their family member was set free.
The move is believed to be in retaliation for the earlier kidnapping of a their Lebanese relative by rebels in Damascus on Monday, according to the Times.
More from GlobalPost: Damascus hotel used by United Nations bombed (VIDEO)
News of the developing conflict involving Syria and its neighbor Lebanon comes during an emergency meeting of the Organization of Islamic Cooperation in Saudi Arabia.
More from GlobalPost: Syrian conflict: a proxy war against Iran?
We want to hear your feedback so we can keep improving our website, theworld.org. Please fill out this quick survey and let us know your thoughts (your answers will be anonymous). Thanks for your time!