Nick Jonas was injured late Saturday night while filming a new show ... sources with direct knowledge tell TMZ.
We're told Nick was on set when something happened -- the sources would not disclose the nature of the accident or injury -- but it was serious enough that he was taken by ambulance to a nearby hospital.
Our sources say .... as of Sunday night, Nick is back home and will appear as scheduled Monday night on "The Voice."
The 28-year-old actor/singer suffered a hand injury back in 2018 during a post-show workout in Mexico. He posted a photo of the injury and some bandages along with a beer shortly after it happened.
As for the injury Saturday, there's something super secret about this shoot -- our sources wouldn't even tell us the name of the project Nick was working on. Unclear why they're all so secretive.