A cabin crew member of the SWISS Airbus A220 which made an emergency landing in Graz, Austria, on Monday is still in intensive care. The airline is continuing its investigation into the cause of the failure, which appears to be engine-related. + Get the most important news from Switzerland in your inbox Relatives of those involved are on site and are being supported by specialist experts at Swiss International Air Lines (SWISS), the Lufthansa subsidiary added in a statement on Thursday. Two of the three cabin crew members are still hospitalised, one of them in intensive care. The rest of the staff and all passengers were able to return to Switzerland. As for the investigation, initial indications point to a technical problem with one of the engines, according to SWISS. Investigations of this kind are complex, and SWISS also relies on the information provided by the investigating authorities and manufacturers. This is why, three days after the incident, the cause has not yet been ...