A blast took place in Gulistan-e-Jauhar area of Karachi near Rangers Vehicle and three killed at the spot and several injured.
The bomb was planted near Safura Chaoweangi and targets a Rangers vehicle. Due to explosion three personnel were martyred and other four were wounded.
Bodies were shifted to CMH hospital Malir fir treatment and further investigation.
The police and rangers seized the area and collect the information of the incident.