ISLAMABAD (PPI) Capital security put on high alert after suicide bombing in Islamabad in which a private security guard was killed and several other sustained injuries. Strict security measures have been taken in Federal Capital after suicide attack on Monday. Keeping in view security situation law enforcement agencies and other concerned departments put them self on their toes to thwart any untoward incident. Security has been tightened on exit and entry points of Federal capital besides commercial areas to deal with any eventuality. In addition special commandoes and plainclothes police officials have also deployed in and around sensitive places. The snap checking and patrolling has also been intensified while the intelligence network too has been activated for advance intelligence reports. Special guidelines have also been issued for those officials that were deployed on pickets and asked them to keep vigilant eye.