Operation Hametz

Operation Hametz
	Part of the Plan Dalet, the Civil War in Mandatory Palestine, and the Jewish insurgency in Mandatory Palestine
Date	25–30 April 1948
Location	Jaffa and surrounding area, Mandatory Palestine
Result	Yishuv victory; British intervention temporarily halts offensive towards Jaffa; Failed British attempt to retake Manshiya;
Territorial; changes	Jewish conquest of Saqiya, Kafr 'Ana, Al-Khayriyya, Yazur, Bayt Dajan, Al-Safiriyya, Al-'Abbasiyya and Manshiya
Belligerents
Commanders and leaders
Casualties and losses

Operation Hametz (Hebrew: מבצע חמץ, Mivtza Hametz; 25–30 April 1948) was an operation to conquer Jaffa and towns around it conducted by the Irgun and the Haganah shortly before the termination of the British Mandate for Palestine, in the civil war phase of the 1948 Palestine war. The operation which led to the first direct battle between the British and the Irgun, was seen as a great victory for the latter, and enabled the Irgun to take credit for the complete conquest of Jaffa that happened on May 13. While the Haganah had no prior warning of the attack, some historians have argued that the operation constituted part of their Plan Dalet.

The battle was the first and only time that the British became heavily involved in fighting between the Jews and the Arabs during the 1948 Palestine war.