KARACHI - Sindh Police chief Fayyaz Ahmed Leghari has barred the unnecessary transfers of police officers investigating high profile cases. The IGP said it was very important that these investigating officers should continue till logical end of the investigation and submission of final challan in the court. He issued such directives while presiding over a meeting here at the Central Police Office. Additional Inspector General of Police, Iqbal Mehmood, Zonal DIGs in Karachi and other senior police officers attended the meeting, said an official statement here on Sunday.