Police dog "Poncho" is now an internet star after the Municipal Police of Madrid tweeted a video of him practicing his CPR skills on an officer who pretended to collapse. Poncho performed chest compressions and then felt for the officer's pulse. Hilary has the incredible clip in this "4-Minute Buzz" along with today's top stories.

To see more videos like this one check out our “Digital Shorts” channel on TheBlaze.