In that time the Brit army, together with Haganah, Irgun and Lehi killed about 5,000. Irgun and Lehi thro terrorism against civilians. following on from that from early December, 1947 with a series of attacks against Palestinian villages and neighborhoods.
Firebomb thrown during demonstration in northern Israeli town of Umm al Fahm (Haaretz)
from the article: Netanyahu: Israel will not suffer the bombardment of its citizens