The police on Monday baton charged agitating Panchayat secretariat volunteers near Raj Bhavan in Jharkhand capital Ranchi after the protestors allegedly threw stones at them resulting in injuries to a number of people. An officer said that at least five policemen were injured including two who needed hospitalization. The panchayat secretariat volunteers, on the other hand, claimed that about 40 of them were injured in the lathi charge. As many as 20 people have been detained by the police for interrogation.