The 62-year-old actor, who has been vocal about his views on the current political and social scenario, took to Twitter to express his condolences.
"Silencing a voice with a gun is the worst way to win a debate. Condolence to all those who are grieving Gauri Lankesh's demise," Haasan tweeted.
The Kannada journalist-activist, known for her left- leaning outlook and forthright views on Hindutva politics, was shot dead by unidentified assailants at her residence on Tuesday night.
She died instantaneously.
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