A warder of Central Prison Chanchalguda here was injured in an attack by three undertrial prisoners on Saturday, officials said.
The undertrials allegedly manhandled prison staff and officials. A warder sustained eye injury while other staff also received minor injuries.
Ibrahim Yazdani, Iliyas Yazdani and Ataullah Rahman, who were arrested last year for being alleged sympathizers of terror group IS, attacked the prison staff when the relatives had come to meet them.
According to Director General of Prisons, they used foul language, pushed the warder and entered the main gate area by force.
On a complaint by the jail superintendent, a case was registered against the accused at Dabeerpura police station.
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