Left dead were a prison assistant director , a warden and two guards . NEW : These are ` ` a first for Pakistan , '' analyst said . Notes to top officials found with bodies . Notes said executions would continue unless order brought to prisons . Dead head found in hall of national Congress .
NEW : These are ` ` a first for Pakistan , '' analyst said . Notes to top officials found with bodies . Notes said executions would continue unless order brought to prisons . Dead head found in hall of national Congress .