Three police officers were killed in clashes with militants in northwest Pakistan on Thursday. Deputy Superintendent of Police Farid Bangash was also among the victims in Mardan of North West Frontier Province, private Geo TV channel reported. As of the filing of the report, the firing is still going on, according to the Geo. The security forces initiated the offensive against militants in some parts of North West Frontier Province in late April after Taliban militants refused to vacate Buner district as promised and challenged the writ of the government. The Chief of Army Staff General Ashfaq Parvez Kayani on Thursday reiterated the commitment to eliminating militants in the northwest where the operation is still going on. 