Be careful with drones. Singer, Enrique Iglesias found out the hard way that drones can hurt. Check out this video of him cutting his hand pretty bad on a drones' blades live in concert. [GRAPHIC VIDEO]

Drones are one of the coolest technologies - but we have to know how to use them. Enrique is getting surgery on his hand - and keep in mind, that same drone was flying around the audience - good thing no one else got hurt.

Here's a different look at what happened on stage with the drone.

Tell us about your experiences with drones. They look like fun and get awesome video. Comment here and on our facebook and twitter.