WrestlingNewsSource.com is saddened to report that legendary Indian wrestler Dara Singh, who was a former rival of Lou Thesz, passed away this morning at the age of 83 due to cardiac arrest.

Singh competed in the ring beginning in the 1940s until his retirement in 1983. He later had a successful film career in his native India before being inducted into the Wrestling Observer Newsletter Hall of Fame in 1996.

WWE Superstar William Regal posted the following on his official Twitter page regarding Singh's passing:

"Very sad indeed to hear of the passing of the legendary Wrestler Dara Singh.I wrestled for him in India in 1992.A truly elegant gentleman."

On behalf of everyone at WrestlingNewsSource.com, we would like to extend our condolences to the family and friends of Dara Singh.