Complex sentence: Opposition sources report a much higher figure for the death toll, an opposition newspaper Svoboda Slova reports that at least 200 have died, mostly children and old people, but an exact, official count is prohibited by the administration.
Split into simpler sentences: Opposition sources report a much higher figure for the death toll. An opposition newspaper Svoboda Slova reports that at least 200 have died, mostly children and old people, but an exact, official count is prohibited by the administration.