Palestinian officials charged Friday that Israeli forces killed hundreds or even thousands of Palestinians and buried the bodies in mass graves in northern Israel. Israeli officials questioned the death toll and said they were returning bodies to families after they were identified "in cooperation with the relevant sources." Dr. Wael Qadan, Palestinian Red Crescent Society's chief of emergency, told United Press International that he believed more than 200 people were killed in Jenin, but exact figures were not known. Red Cross spokeswoman Aleksandra Matijevic told UPI the agency had no estimates or figures of its own. Col. Gal Hirsh, head...