An 18-year-old student was killed at her school in the village of St Leon-Rot in south-western Germany on Thursday near the city of Heidelberg, according to local police. The suspected killer, an 18-year-old man who is also a student at the school, fled the area but was captured by police after a manhunt that lasted about two and a half hours, according to authorities. Authorities suspect that a relationship between the young woman and the suspect may have played a role in the killing, although police did not immediately provide further details. A massive police response arrived at the school …