WWE posted this update today on Jerry "The King" Lawler's condition:
As of this morning, Jerry "The King" Lawler is in a cardiac care unit and all his vital signs are stable. WWE will provide additional information as it becomes available. We continue to wish Jerry all the best for a full recovery.
Jim Ross also provided this update on his Twitter:
Lots of speculation re: my dear friend @JerryLawler. He's stable & being expertly cared for in Montreal following heart attack. Stable=good.