The word "fell" is a polite way to refer to the soldiers being killed. Alternate translation: "David's soldiers were killed" or "they killed some of David's soldiers" (See: [[rc://en/ta/man/translate/figs-euphemism]])
This can be stated in active form. Alternate translation: "including Uriah the Hittite" or "and the men of the city also killed Uriah the Hittite" (See: [[rc://en/ta/man/translate/figs-activepassive]])