Israel will close the Allenby Crossing, the sole gateway between the Israeli-occupied West Bank and Jordan, starting on Wednesday until further notice, the Palestinian General Authority for Borders and Crossings said on Tuesday.
It was not immediately clear why Israel was closing the crossing.
The office of Israeli Prime Minister Benjamin Netanyahu and the Israel Airports Authority, which manages the crossing, did not immediately respond during a public holiday in Israel.
Jordan's Public Security Directorate said on Tuesday the crossing was closed to passenger and freight traffic from the Israeli side until further notice.
Israel Airports Authority said on Monday that the crossing had reopened for passenger traffic, days after a Jordanian truck driver opened fire there, killing two Israeli soldiers.
Israel's military said security forces "neutralised" the attacker, who according to Israeli emergency service Magen David Adom was armed with a gun and a knife.
The men, aged about 20 and 60, were wounded in the attack at the Allenby crossing and received initial treatment at the scene before being pronounced dead, the MDA said in a statement.
A Jordanian foreign ministry statement said authorities launched an investigation, identifying the suspect as 57-year-old Abdul Mutaleb al-Qaisi, "a civilian who has worked for three months as a driver to deliver aid to Gaza".
The Allenby Crossing is the main route for transporting commercial goods between Jordan and the West Bank.
The attack comes as the Israeli military pounded Gaza City with artillery shelling and air strikes and pressed a ground offensive, forcing thousands of people to flee to southern Gaza.
Violence in the West Bank has also surged alongside the Gaza war, which began after Hamas attacked Israel on October 7, 2023.