Authorities in China say a man stabbed eight students to death early Friday at a high school in central China. Four others were wounded in the attack, which took place in the city of Ruzhou in Henan province. State media report police are searching for the attacker. China has suffered a series of knife attacks in schools and day-care centers in recent months, prompting the Chinese government to issue a nationwide order for schools to increase tighten security. Some information for this report provided by AP, AFP and Reuters.