United Kingdom, July 31 -- Hulk Hogan secretly battled cancer.

The 71-year-old wrestler passed away last week at the age of 71 and it has now been confirmed he died from acute myocardial infarction, more commonly known as a heart attack, in which is when blood flow to the heart muscle is suddenly blocked.

And documents obtained by the New York Post newspaper's Page Six column showed Hogan - whose real name was Terry Bollea - had a history of chronic lymphocytic leukaemia (CLL), a type of cancer affecting white blood cells, though this was never made public.

He also had a history of a heart condition called atrial fibrillation (AFib), which is characterised by an irregular and often rapid heart rate.

Hogan's death has been ruled due to...