The Rajya Sabha has been adjourned till 11 a.m. tomorrow after uproar over Uttar Pradesh BJP leader Dayashankar Singh's remark comparing Bahujan Samaj Party (BSP) supremo Mayawati with a sex worker.
There was uproar in the Upper House earlier as the BSP leaders demanded Dayashankar Singh's arrest for his unwarranted remark against the former Uttar Pradesh chief minister.
Finance Minister Arun Jaitley earlier expressed 'personal regret' in Parliament over Singh's remark.
"It is not right and I condemn the use of this word. And if a person has said this, we will investigate. I express personal regret. I associate with your dignity and stand with you," Jaitley told Mayawati in the Rajya Sabha.
The BSP chief on her part thanked Jaitley and other leaders in the Rajya Sabha for supporting her on this matter.
"There are war of thoughts and ideas in the House, but never have I used derogatory words against anyone ever," Mayawati said.
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"Dayashankar Singh should be arrested otherwise if in response to this the people get violent, it will not be on my conscience," she added.
Singh, who is one of the 15 BJP vice-presidents in Uttar Pradesh where campaigning for elections next year has picked up both pace and aggression, however, later tendered an apology for his remark.