CaretakerPunjab Chief Minister Mohsin NaqviMonday said he had given a “free hand” to the police to establish the writ of the state in the province — a move that comes in the wake of an outbreak of politically-motivated hostilities that turned a posh neighbourhood of the provincial capital into a warzone. Supporters of Pakistan Tehreek-e-Insaf (PTI) clashed with police in Lahore last week as they attempted to arrest party chairman Imran Khan at his home, and later with police in Islamabad as he arrived to appear before a court on Saturday.