When you post a youtube, you click share and chose imbed. That wraps the line in an iframe container.
Your link above with iframe in place of video will only give you a blank box:
<iframe>http://www.bbc.co.uk/news/uk-england-gloucestershire-44222054</iframe>
It needs some size parameters.
Your link above with iframe in place of video will go partway but it needs a bit of size info and the source of the link.
Easy way is to pick any youtube vid a click share and then embed. Copy and save that code to a text file and you can just change the url ad-infinitum and copy and past the updated embed code