Israeli legislation will effectively halt work by Unrwa, the U.N. organization that provides food, education and medical treatment in the Palestinian territories.
The ban comes as the PA battles militants from Hamas and its allies for control over parts of the West Bank, a fight that could shape the struggle for leadership of the Palestinian cause.
The group is looking to exploit Syria’s uncertain future to rebuild its influence—half a decade after U.S.-led forces broke its hold on swaths of territory and millions of people.