<p>Cairo: Qatar's defence ministry said early on Sunday that a Qatari helicopter had crashed in its regional waters after suffering a technical malfunction during "routine duty".</p> .<p>It said search operations were under way for crew members and passengers.</p>
<p>Cairo: Qatar's defence ministry said early on Sunday that a Qatari helicopter had crashed in its regional waters after suffering a technical malfunction during "routine duty".</p> .<p>It said search operations were under way for crew members and passengers.</p>