"Sukhbir is a total failure as state's home minister and he has no right to continue in power.
"Punjab is heading to a state of total anarchy as no rule of law exists in the state, and Chief Minister Parkash Singh Badal has become the prisoner of whims and fancies of his son," said Punjab Congress chief Partap Singh Bajwa.
Two persons - members of the the ruling Shiromani Akali Dal and Opposition Congress - were allegedly killed today in a clash during an election rally at Chak Mishri Khan in Amritsar district.
Earlier, a Congress block president had been shot dead allegedly by Akali Dal activists in Tarn Taran district on May 8.
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Bajwa condemned the incidents of violence and demanded an explanation from Sukhbir on the spate of "political killings" in the run up to May 19 Block samiti and Zilla parishad elections.
Sukhbir was maintaining a conspicuous silence over the violence and that proved Congress allegations of his tacit support to criminal elements in his party, Bajwa said.
Lashing out at officers of the Punjab Police for saying that these killings were an outcome of personal enmity without holding any investigations, Bajwa asked, "Even if it is personal enmity, are these murders justified?" he asked.
Bajwa also charged that with the aid of police, Congress workers had been coerced into withdrawing their candidature from the panchayat elections.