6 dead, 1 injured in small plane crash in northern Mexico

<p>MEXICO CITY &mdash; A small plane heading for Arizona crashed in the northern Mexico border state of Sonora on Saturday, killing six people and injuring another, authorities said. </p>
<p>The Cessna had taken off from the city of Hermosillo in Sonora on a flight to Tucson, Arizona, when it crashed shortly after takeoff. </p>
<p>The dead included a Sonora state government economic development official, Leonardo Ciscomani. The pilot was also among the dead. </p>
<p>The state prosecutors’ office said the cause of the crash was under investigation.</p>