ATAMI, Japan—More than 1,000 soldiers, firefighters, and police on Sunday waded through a giant mudslide that ripped through a resort town southwest of Tokyo, killing at least two people and leaving about 20 missing as it swept away houses and cars. Prime Minister Yoshihide Suga told reporters 19 people had been rescued, and 130 homes and other buildings were damaged in Atami. Two people were dead, but more were feared missing, he said speaking after an emergency Cabinet meeting. Earlier, disaster officials said 20 were unaccounted for, but warned the number may rise. Shizuoka prefecture officials said three people had been injured. “The area is still having heavy rainfall, but arduous rescue efforts will continue,” Suga said, warning residents to watch out for more landslides. “Please act as quickly as you can to stay safe.” Troops, firefighters, and other rescue workers, backed by three coast guard ships, were working to …