Further, the police also arrested over 100 teachers to prevent them from protesting.
Earlier on Thursday, Sindh Senior Minister for Education Nisar Ahmed Khuhro spoke with teachers with the hope to end the nine day protest, but they failed to yield results.
The teachers were staging sit-in since September 4 to protest their unpaid salaries since August 2012 with the pledge that they will not leave until their demands were met.
They lashed out against the government, claiming that one Pakistan Peoples Party education minister gave them the jobs and another had declared them illegal.
The 200 protesters represent the 3,600 teachers who received their appointment letters in June 2012 on the instructions of former education minister, Pir Mazharul Haq, but have not received their salaries for the last two years.
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