At least 22 people have been killed and dozens more are missing following flash floods in the US state of Tennessee. Rescue crews are searching for more than 50 people in rural Humphreys County, which is west of Nashville. The record-breaking flooding began on Saturday, submerging entire roads and taking out telephone and power lines. 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. 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. On the county’s Facebook page, people have been desperately seeking any information that could help locate their missing friends and relatives.(BBC)…[+]