Search teams were still digging at the site of deadly mudslides in southern Ethiopia on Friday, as the death toll rose to 257, according to the U.N. humanitarian office.

ADDIS ABABA, Ethiopia (AP) — Search teams were still digging at the site of deadly mudslides in southern Ethiopia on Friday, as the death toll rose to 257, according to the U.N. humanitarian office.

Heavy rain triggered deadly slides on Sunday and Monday in a remote part of the country. The U.N. humanitarian office, known as OCHA, said in an update Thursday that the death toll could rise to as many as 500, citing local officials.