<span style="color: #222222;">At least 22 people have been killed and dozens more are missing following flash floods in the US state of Tennessee.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">Rescue crews are searching for more than 50 people in rural Humphreys County, which is west of Nashville.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">The record-breaking flooding began on Saturday, submerging entire roads and taking out telephone and power lines.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">Emergency workers are searching door-to-door in the worst-hit areas, with rescuers also combing through the debris of homes that were washed away.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">The names of the missing have been listed on a notice board at an emergency centre in Humphreys County, with relatives left fearing the worst.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">On the county's Facebook page, people have been desperately seeking any information that could help locate their missing friends and relatives.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">Most of the missing are from the town of Waverly. The state's Governor Bill Lee visited on Sunday. He said, the loss of life and property damage is devastating.</span><br />''  <br />