Six people have been killed in a bus fire in Kerzers, Switzerland, believed to have been started by a passenger who set himself alight. Three others sustained severe injuries. An investigation is underway by local authorities. Swiss President Guy Parmelin has expressed condolences.

Lost Nazi cipher manuals for the SG-41 machine, more advanced than Enigma, have been discovered in Prague after over 80 years. Researchers Eugen Antal, Carola Dahlke, and Robert Jahn found these documents in Czech archives and are analysing them to clarify the cipher’s operation.