London, Mar 23 : A Norwich woman claimed that she had a terrifying close encounter with an alien while walking her dog, according to newly released Ministry of Defence (MoD) documents.

The anonymous woman telephoned RAF Wattisham in Suffolk in a state of distress and said that she was approached by an extra-terrestrial with a "Scandinavian-type accent" in a light brown flying suit, reports the Daily Star.

According to her, the alien said that the purpose of their visits was friendly but they were told not to have contact with humans for fear that they would be considered a threat.

The woman said she was `completely terrified' and after about 10 minutes the alien left.

The November 1989 incident is one of nearly 1,200 UFO sightings between November 1987 and April 1993 recorded in MoD documents. (ANI)