Former Swedish security adviser on trial for allegedly mislaying classified papers

Henrik Landerholm resigned in January after he was accused of leaving official documents in a hotel

Sweden's former national security adviser has gone on trial for the allegedly negligent handling of classified information, seven months after he resigned amid revelations he had left official documents in a hotel.

Henrik Landerholm, a longstanding friend of the Swedish prime minister, Ulf Kristersson, appeared on Monday in front of a packed gallery at Attunda district court in Sollentuna, north of Stockholm.