The Bharatiya Janata Party (BJP) legislators walked towards the Speaker's podium and raised slogans against the attack on Preetham Gowda's residence by Janata Dal-Secular (JD-S) workers in Hassan, about 180km from here.
JD-S workers had attacked Gowda's house by pelting stones on Wednesday after he allegedly bad-mouthed its supremo H.D. Deve Gowda, who represents the district in Lok Sabha.
Hassan is Gowda clan's home constituency.
"We have submitted a letter to Governor Vajubhai Vala on the stone pelting issue. Our legislator (Preetham Gowda) and his family were threatened by the JD-S workers," Yeddyurappa told the media earlier in the day.
Anti-government protests by the BJP have marred the state Budget Session, which began on February 6.
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