Rescue workers dug through sludge and debris Tuesday, looking for more than 20 people who may be trapped after a mudslide ripped through a Japanese seaside resort town, killing at least four.

Search for dozens missing in deadly Japan mudslide
Rescue workers dug through sludge and debris Tuesday, looking for more than 20 people who may be trapped after a mudslide ripped through a Japanese seaside resort town, killing at least four.