WE had our Twitter account hacked. We can assure you that Jack is ALIVE and WELL and that this was a sick "prank".— Tenacious D (@RealTenaciousD) June 5, 2016
Just the latest victim of hackers.
On Saturday they had tweeted from Tenacious D’s Twitter (that tweet has since been deleted)
“It is with a heavy heart I am to announce that Jack Black passed away last night at 3:37am. The cause of death is yet unknown.”
Read more here.