By Mathieu Rosemain PARIS (Reuters) -The Paris prosecutor’s office said it has opened a probe into the causes of a major internet outage which affected France’s telecommunications network on Wednesday following reports of coordinated acts of vandalism. The French Telecoms Federation said attacks of vandalism had impacted telecoms networks in several regions, including the Ile-de-France region around Paris, eastern France and the Auvergne-Rhone-Alpes and Bourgogne-France-Comte regions. The investigation will be co-handled by France’s internal intelligence services and the national judicial poli…