Rescue workers in a helicopter search a flooded area after a dam collapsed in Brumadinho, Brazil, Sunday, Jan. 27, 2019. A massive, deadly river of pale brown mud released by the collapse of a mining company dam on Friday threatens to cause an environmental disaster for Brazil, potentially snatching away livelihoods and driving the spread of disease, activists warned Sunday. (AP Photo/Andre Penner)

More than 200 people are still missing on Thursday after a mining dam collapsed in Brumadinho, Brazil, on Friday. Searches continue in the mud and debris left behind by the disaster.

hursday, local authorities said.

Searches were halted on Sunday for about 10 hours amidst fears of a second dam failure. Around 24,000 people were evacuated near the dam site.

(MORE: Brazilian Dam Collapse Search Continues)

According to ABC News, , which owned and operated the failed dam. This is the second mine disaster in three years linked to the company. Vale faced scrutiny when they were in 2015.

Mud reached . The mud contains iron ore waste and is contaminating the nearby Paraopeba River.