'Human sacrifice' turns out to be murder by student trying to get school shut / 'Neck broken ...': Father of Class 2 boy killed in 'human sacrifice' / Ancient human sacrifice in China likely served to reinforce social hierarchies / Victims of a tsunami or human sacrifice? What happened to 20 Celts 2,000 years ago? / Archaeologists uncover body of girl stabbed in neck as part of human sacrifice / Iron Age bones show 'evidence of human sacrifice' / Remains of woman from 2,000 years ago suggest she was used as human sacrifice