Research news
9th UFO Day of Christmas - Whitehorse, Yukon, Canada, 2nd January 1968
Two teenage boys, riding snowmobiles in the snowy wilderness behind the city hospital in Whitehorse, Yukon, spotted a strange orange yellow light that seemingly gave off a strange heat and temporarily immobilised their vehicle's engines. Another little known case brought to you by Bitesized UFOs.
See more (external link) 
https://www.youtube.com/watch?v=_AchGf7R97I