Siliguri: A Christian couple was hacked to death and their 12-year-old daughter's eye gouged out by masked assailants in Kalimpong sub division of West Bengal's Darjeeling district, police said on Thursday.

The incident at the Geetdubling slum in remote Budhwar area, about two hours drive from Kalimpong town, Tuesday-Wednesday midnight, has left the young girl fighting in a serious condition first at Kalimpong Hospital, and now at north Bengal Medical College and Hospital. Her left eye has been severely affected after being slashed with a sharp weapon.