Khimberly Zavaleta Chuquipa was placed in an induced coma to undergo emergency brain surgery to try and stop a haemorrhage. A 12-year-old has been arrested in connection with the death of a classmate who was hit in the head with a metal water bottle. Khimberly Zavaleta Chuquipa, also 12, was trying to protect her older sister from bullies at the time of the incident in Lo... [1139 chars]