<p>Relatives of the five crew members aboard a Boeing 737 cargo plane that <a href="https://www.dawn.com/news/2014774">crashed</a> into the Arabian Sea off Karachi last week are urging an international search effort to find the flight recorders to determine the cause.</p>
<p><a href="https://www.dawn.com/news/2014365">Debris</a> from the K2 Airways freighter was <a href="https://www.dawn.com/news/2013836">recovered</a> shortly after the July 7 crash, but the water in the area is about 3,000 metr