Are these Bible verses referencing UFOs?

[Ezekiel 1:16](http://www.biblegateway.com/passage/?search=Ezekiel%201:16&version=KJV) : > This was the appearance and structure of the wheels: They sparkled like topaz, and all four looked alike. Each appeared to be made like a wheel intersecting a wheel. [Exodus 13:22](http://www.biblegateway.com/passage/?search=Exodus%2013:22&version=NIV) : > Neither the pillar of cloud by day nor the pillar of fire by night left its place in front of the people. [2 Kings 2:1](http://www.biblegateway.com/passage/?search=2%20Kings%202:1&version=NIV) : > When the LORD was about to take Elijah up to heaven in a whirlwind, Elijah and Elisha were on their way from Gilgal. Do these, or any other verses in the Bible, refer to UFOs, in the sense of extra-terrestrial, or extra-dimensional vehicles?