It is being reported this morning that fire fighters have contained a fire which burned for around three hours at Apple's headquarters in Cupertino.
The Santa Clara County fire department received a three-alarm fire notification from 20605 Valley Green Drive, at a building known as Valley Green 6 at around 10PM.
The fire was contained by 2.30AM Wednesday and there are no known reports of injuries.
Senior Communications Dispatcher Rafael Salcedo said "the fire itself is not very big, but there is going to be a lot of smoke damage".
Video of fire fighters in attendance available here.