<p style="text-align: justify;">KABUL (Pajhwok): Two people have been killed and 10 others injured following an explosion at a steel plant in Pennsylvania, United States.</p>
<p style="text-align: justify;">The Associated Press reported that the blast occurred on Monday at the Clairton Coke Works factory.</p>
<p style="text-align: justify;">Officials said the cause of the explosion is not yet known and advised residents to keep their windows closed until the smoke clears.</p>
<p style="text-align: justify;">The Clairton Coke Works is the largest coke plant in the US, employing around 1,300 workers. Coke is a solid fuel derived from coal and used in steelmaking.</p>
<p style="text-align: justify;">hz/sa</p>
