German travel group FTI Touristik GmbH, the parent company of the FTI Group, Europe’s third-largest tour operator, has filed for insolvency. The group filed an application for the opening of insolvency proceedings at a Munich local court on Monday, the company announced. “We are currently working at full speed to ensure that the trips that have already started can be completed as planned,” the operator said in a statement. Trips that have not yet begun will probably no longer be able to be carried out, or only partially, from June 4, the company said. According to the information provided, ini…