<span style="color: #222222;">At least 22 people were killed in flash floods caused by heavy rains in Iran's southern province of Fars, a provincial official said yesterday.<br />''<br />''The head of the province's crisis management department, Khalil Abdollahi said one person was missing.  <br />''<br />''He said 55 people had been rescued in the flood which submerged 15 cars. The governor of Fars province declared today a day of mourning, state media said.</span><br />''<br />