Karachi: Unidentified armed men on Thursday attacked the house of a public prosecutor in Karachi. Police said more than three accused attacked the house of Advocate Abdul Maroof in Defence Housing Authority area. Three assailants were injured in retaliatory fire by the prosecutor: however, their aides took them away. Advocate Abdul Maroof, public prosecutor in journalist Wali Khan Babar murder case, said he had been receiving threats and CID police had also warned him of the danger. Police said they were conducting raids in the hospitals in search of the accused.