Yadav, who was later released and allowed to go to Lucknow, attacked the Yogi Adityanath government in the state alleging that it was misusing state machinery.
The former chief minister was stopped near an under- construction toll plaza in the Hasanganj police station area on the Lucknow-Agra expressway and taken to the agriculture research centre in Dhaurhara from where he was allowed to return to Lucknow, Circle Officer (CO) Dhirendra Kumar Singh said.
Speaking to newspersons, Akhilesh attacked the BJP government in Uttar Pradesh.
This dictatorial attitude with the help of police will not be tolerated, Yadav said.
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"The BJP is only doing politics over cow," he claimed.
On a question about the tragic death of several children in a state-run hospital in Gorakhpur, he said it was a result of the government's failure.
Yesterday, the police had detained some senior SP leaders after workers allegedly turned violent at not being allowed to accompany their candidate for the zila panchayat chairperson's post to the nomination room in the Auraiya collectorate.