At least one person was killed and five others were injured in separate attacks in Balochistan, Pakistan on Thursday as the province experiences an upsurge in violence in the run-up to polls scheduled for February 8.<br />''<br />''In an explosion in the Sabzal Road area of Quetta today, one person was killed and another was injured. According to initial reports, the explosion was caused by a roadside bomb and the explosion took the life of a passerby. Law enforcement agencies started an investigation into the cause of the blast.<br />''<br />''<span style="color: #222222;">In two separate incidents of violence in the province, four people sustained injuries in two separate hand-grenade attacks in Jaffarabad and Turbat cities. The injured were immediately rushed to the hospital for medical assistance.</span><br />