Former Paralympic and Olympic runner Oscar Pistorius was hospitalized Thursday morning in Pretoria, South Africa, for medical examinations after complaining of chest pain, reports said. Pistorius is currently serving a six-year sentence for murdering his girlfriend Reeva Steenkamp in 2013. Department of Correctional Services (DCS) spokesperson Singabakho Nxumalo told The Citizen in South Africa: « We can…