By Rachel Hagan A bungee jumper in her 60s has died after she plunged 26 feet onto concrete in a shopping mall, say police inSouth Korea. The unnamed woman slammed onto the solid floor, missing an emergency crash mat at the foot of the jump after the safety harness attaching her to the elastic bungee rope failed. Local police in Gyeonggi province say the impact of the fall sent her into cardiac arrest and she died later in hospital. Police told Korean media they believe a carabiner, a clip linking the safety harness to the rope, failed as she hit the end of the rope yesterday. The crash happen…