Cops have  raided Charlie Sheen‘s house after receiving a call that Charlie threatened to harm himself with a firearm as reported by TMZ.

Under the restraining order obtained by Brooke Mueller, Charlie is prohibited from possessing weapons.

Law enforcement sources are inside the house right now, searching for firearms and ammunition.

And law enforcement tell us cops are not trying to place Charlie on a 5150 psychiatric hold.

Charlie and others in the house are at the dining room table eating hamburgers.  

TMZ was told the LAPD has been conducting several investigations involving Charlie, including the possible violation of the TRO.

UPDATE 10:18 PM PT — Sheen just tweeted: “#fastball; the LAPD were AWESOME. Absolute pros! they can protect and serve this Warlock anytime!!! c”