“And he cast down the pieces of silver into the temple and departed, and went out and hanged himself.” (Matt. 27:5)“And falling headlong, he burst asunder in the midst, and all of his bowels gushed out.” (Acts 1:18)
Both!
After he'd hung there awhile, the rope (or whatever was used to hang him) either gave way or was cut.
Then his rotten body fell down the cliff, smashing into pieces.
Hey, I said that first. .-)