Research news
Bitesized UFOs #078: Swedish Hilltop Encounters, 1969 & 1977
Two incidents involving entities & UFOs, eight years apart, taking place at exactly the same location, an isolated radio & TV mast control cabin on top of a hill in northern Sweden. Two separate witnesses, each with a strange story to tell - the huge UFO with a "tunnel" in it, "box-like" creatures, engine stalls, radio interference, compulsion to do things - they're all here in this episode!
See more (external link) 
https://www.youtube.com/watch?v=YrQ-tKv658E