<p>Tokyo: Twelve people were killed and dozens injured in an explosion at a smelter furnace in Indonesia's Morowali nickel industrial park, local media said on Sunday.</p><p>The blast on Sulawesi Island occurred during furnace maintenance at 5.30 am (2130 GMT), the reports said. </p>
<p>Tokyo: Twelve people were killed and dozens injured in an explosion at a smelter furnace in Indonesia's Morowali nickel industrial park, local media said on Sunday.</p><p>The blast on Sulawesi Island occurred during furnace maintenance at 5.30 am (2130 GMT), the reports said. </p>