Israel army's gunfire killed a UN staffer and injured another UN employee on Monday in the city of Rafah, southern Gaza, the Hamas-run media office said, Paralel.Az reports.

In a statement, the media office said that the UN staffers were traveling in a vehicle belonging to the UN and bearing UN flags and markings when they were hit.

The death of the UN staffer was confirmed by the United Nations. UN Secretary-General Antonio Guterres said on Monday in a statement that he was "deeply saddened to learn of the death of a United Nations Department of Safety and Security (DSS) staff member and injury to another DSS staffer when their UN vehicle was struck as they traveled to the European Hospital in Rafah this morning."

Sending his condolences to the family of the fallen UN staffer, he condemned all attacks on UN personnel and called for a full investigation.

Meanwhile, Israeli public radio reported that the Israeli army is investigating the shooting incident at a United Nations vehicle, indicating that the source of the fire is unknown.