The three were killed in the early hours of Monday morning amid a blockade of the Balata refugee camp.
The Israeli army has killed three Palestinian men during a large-scale raid on the Balata refugee camp in the city of Nablus in the northern occupied West Bank.
The Palestinian health ministry identified the three men killed on Monday morning as Muhammad Abu Zaytoun, 32, Fathi Abu Rizk, 30, and Abdullah Abu Hamdan, 24.