Pakistan is on edge once again.<br/> <br />Just days after a deadly earthquake flattened structures in the Awaran region, a 6.8 magnitude aftershock strikes.<br/> <br />The shock comes as residents are still digging up belongings from Tuesday's quake that killed more than 500 people.<br/> <br />Residents from the commercial capital Karachi felt this most recent aftershock.<br/> <br />Many people ran out of buildings and gathered on the street.<br/> <br />(SOUNDBITE) (Urdu) OFFICE WORKER, ATEEQUR REHMAN, SAYING:<br/> <br />"I was busy at my work in the office. It was about 10, 15 minutes ago when suddenly my chair started shaking. At first I thought it was a delusion or a false feeling. But all my colleagues ran out of the office. The shakes were heavy."<br/> <br />Officials say it was likely that the aftershock caused more deaths.
