שלחו באש. שלחו אש בכלה: They set [literally 'sent'] fire. They sent the fire12By igniting it. This follows the literal meaning of שׇלְחוּ, ‘thy sent’. (Metzudas Tzion) Afterward, the B’nei Yehudah went down to wage war with the Canaanites dwelling in the hills, the Negev, and the lowlands. throughout it.