Indonesian rescuers are searching for 7 people still missing four days after torrential rain hit North Sumatra province, causing flash flooding and landslides which killed 15 people, an official said on Tuesday.

Indonesian rescuers have recovered 20 bodies and are looking for two villagers who remain missing after flash floods on Sumatra island caused mud and rocks to tumble down mountainsides

Rescuers in Indonesia recovered 16 bodies under tons of mud and rocks or that were swept away in flash floods that hit mountainside villages on Sumatra Island, officials said Monday. Six people are still missing,