A day after demanding a meeting of the Cauvery River Water Authority, Tamil Nadu chief minister J. Jayalalithaa on Sunday urged Prime Minister Manmohan Singh to ask Karnataka to stop “forthwith the execution of any check dams or diversion structures across the Pennaiyar river”.

“I understand the government of Karnataka has proposed to construct check dams and diversion structures across the Pennaiyar river, which is causing great alarm and apprehension in Tamil Nadu