 An attacker stabbed six people on Wednesday at the busy Gare du Nord station in Paris before being shot and apprehended by police, authorities said.The Gare du Nord is a busy commuter hub which also serves as a departure point for trains to northern France, London and northern Europe.Police were treating the stabbings as attempted murder, not as a terrorist attack, a source close to the case said.The attackers motive was not immediately clear.One of the six people was seriously wounded in the a... 