"Search works in Rosas, Cauca continue and succeeded in recovering three more bodies in the morning, two of adults and one of a child, making a total of 20 deaths," the UNGRD wrote on Twitter.
The UNGRD also noted that search and rescue operations would continue unless those missing in the disaster were found.
The landslide, caused by heavy rains, rocked the town of Rosas in Cauca province on Sunday morning.
It was reported earlier that traffic on one of the sections of the Pan-American highway connecting the United States and Canada with Latin America was blocked. According to previous reports, 17 people were killed in the landslide.