The driver of a bus that crashed on a German motorway on Wednesday, killing four people and injuring many others, is being investigated for involuntary manslaughter and negligent bodily harm, the public prosecutor's office said on Thursday.
A spokesman for the office was unable to say whether the man, 62, had already been questioned.
The double-decker Flixbus with 54 people on board, including two drivers, had veered off the A9 motorway near Leipzig on Wednesday morning and tipped onto its side.
The bus company had previously reported that 55 people were on board. The police reported 4 fatalities, 6 serious injuries and 29 people with minor injuries.
No details were given on Thursday about the state of health of the injured.
Investigators are currently focussing on finding the cause of the accident. All those injured who are being treated in hospital will be questioned, provided their state of health allows it, a spokeswoman for Leipzig police headquarters said on Thursday in response to an enquiry.
An accident analysis report on the bus will also be commissioned, the public prosecutor's office said. The first results are not expected for several weeks.
The identity of the four fatalities had not yet been clarified by midday on Thursday. "We are endeavouring and hope to be able to provide information on this in the afternoon," said the police spokeswoman.
The coach had crashed on its way from Berlin to Zurich.
