French police descended on a Paris hotel after a suspected terrorist used Isis-linked chemicals to blow himself up – sparking even more concerns in France’s capital ahead of the summer Olympic Games. Authorities arrested a 26-year-old Ukrainian-Russian man after the explosion in the B&B HOTEL Paris Roissy Charles de Gaulle (CDG) Airport, a source at the French PNAT anti-terrorism prosecutors office said on Wednesday. The Russian-Ukrainian dual national from the occupied Donbas region, who has not been named, was in police custody last night as reports of the suspected bomb plot emerged. The pl…