<span style="color: #222222;">At least four people were killed and 12 wounded in an explosion inside the Rakhni market in Balochistan's Barkhan on Sunday morning.<br />''<br />'' The injured persons were moved to a nearby hospital while security forces cordoned off the area for investigation. The nature of the explosion has not been determined yet. <br />''<br />''The condition of the injured persons is said to be critical. The incident came a day after two policemen were killed and two were injured in a remote-controlled blast in Balochistan's Khuzdar district.</span><br />