Texas city (6)
I believe the answer is:
dallas
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">texas city</span>' is the definition.<br/ ><span class="explanation-format__explanation">(city in Texas)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for dallas that I've seen before include "tragic city" , "former TV series" , "Mysteriously, all sad in the US city" , "Texas city where JFK was assassinated" , "US city where JFK was assassinated" .)