Local media: Explosion rocks east Baghdad

<p>BAGHDAD, Iraq &mdash; A powerful explosion rocked east Baghdad on Thursday, local media said, one day after a rare drone struck a northern Iraqi airport.</p>
<p>The explosion was heard in Baghdad’s Sadr City area, in the Habibiya neighborhood. The cause of the blast was not immediately known.</p>
<p>The development comes hours after drone strikes targeted US-led coaliton troops near Irbil airport and a Turkish military base in northern Iraq.</p>