Tennessee flooding: At least 22 dead, dozens more missing

At least 22 people were killed and rescue crews searched desperately Sunday amid shattered homes and tangled debris for dozens of people still missing after record-breaking rain sent floodwaters surging through Middle Tennessee.

Northwest heat wave and bad air from wildfires pose danger

Temperatures were expected to soar to triple digits again Friday in Portland, Oregon, and Seattle as a heat wave bakes the Pacific Northwest, and forecasters said hot weather and wildfire smoke would pose a problem through the weekend.