How did actor Sabu die?

Sabu, the Indian actor, died on July 20, 1963, at the age of 39, in Los Angeles, California. He was found dead in his apartment, and the cause of death was officially ruled as acute coronary thrombosis. This means he suffered a sudden blood clot in his heart.

However, there are some conflicting accounts surrounding his death. Some sources suggest that he was battling alcoholism and a possible drug addiction in the years leading up to his demise. It's also important to note that Sabu was a heavy smoker, which could have contributed to his heart condition.

Ultimately, while the official cause of death was a blood clot, the contributing factors surrounding his health and lifestyle remain unclear.