PARIS, June 29 (Reuters) - French car maker PSA Peugeot Citroen confirmed on Friday an attempted theft by a member of its finance department had been uncovered but it had managed to block or seize most of the funds concerned. Le Parisien newspaper reported on Friday an employee in Peugeot's finance department in Paris was suspected of diverting nearly 20 million euros ($26.89 million) in funds over a period of five years.