Documents released by Germany’s air transport regulator suggest Andreas Lubitz suffered from “bout of heavy depression”. The Germanwings co-pilot said to have deliberately crashed his Airbus with 149 others aboard into the French Alps suffered serious depression six years ago, German daily Bild reported.

Andreas Lubitz, 27, sought psychiatric help for “a bout of heavy depression” in 2009 and was still getting assistance from doctors, the mass-readership publication reported on Friday, quoting documents from Germany’s air transport regulator Luftfahrtbundesamt (LBA).

The report said LBA received the information from Lufthansa, Germanwing’s parent company.

Read More: aljazeera