A mining dam has collapsed in Brazil, causing a sea of sludge to spread to rural areas of the country's southeastern state of Minas Gerais, BBC News reports.
As many as 200 people are missing, the fire brigade says, although there have been no confirmed fatalities.
Rescue teams were dispatched, and officials said a number of residents close to the dam had been evacuated.
The dam and Feijão iron ore mine are owned by Brazil's largest mining company, Vale.
Vale and local authorities said on Friday that leaked tailings from the Corrego de Feijão mine had spread into the nearby community Vila Forteco, close to the city of Brumadinho.
Footage broadcast on local television showed the mudflow sweeping over roads and destroying buildings in its path.
Inhotim, Brazil's main contemporary arts center, is in Brumadinho, but is not believed to have been affected.
A government spokesperson said Brazil's environment minister, Ricardo Salles, was travelling to the scene.
President Jair Bolsonaro will visit the region on Saturday.
The incident comes four years after another dam – owned by Vale and BHP Billiton – burst in Minas Gerais, killing 19 people.
It is considered Brazil's worst environmental disaster.
WN.com, Jim Berrie
Popular News Stories
Wrong narrative? AFP & Reuters scrub story about 100,000 detained migrant children after UN says ...
'Ready to fire anytime on short notice': India successfully test-fires nuclear-capable Prithvi-II missiles
Trump impeachement: FBI seeks to interview whistleblower who triggered investigation
Emergency-level fire burns in Victoria's north as dust storm turns Mildura orange
Australian Broadcasting Corporation
A general view of the aftermath from a failed iron ore tailings dam in Brumadinho, Minas Gerais, Brazil January 25, 2019 in this image obtained from social media. Nairo...Irish Independent 2019-01-26
At least seven people have been killed and around 200 more are missing after a dam collapsed in eastern Brazil, in a disaster which triggered mudslides and left the...The Independent 2019-01-26
By Anna Jean Kaiser and Marcelo Silva de Sousa, Associated Press January 26 2019 9:16 AM 0 Comments Hundreds missing after Brazil dam bursts Independent.ie At least seven...Irish Independent 2019-01-26
More than 200 people are missing after a dam burst at a mine in Brazil. Hundreds of people are said to be trapped by the river of sludge released by the dam collapse at an...Metro UK 2019-01-25
World 200 reported missing after Brazil dam collapse An aerial view after a dam collapsed Jan. 25 near Brumadinho, Brazil. (Bruno Correia / Nitro) A mining dam collapsed in...The Los Angeles Times 2019-01-25
BRUMADINHO, Brazil (AP) — The Latest on the mining dam collapse in Brazil (all times local): 9:15 p.m. Authorities say at least 40 people have died from a dam collapse in...The Record 2019-01-27
BRUMADINHO, Brazil (AP) — The Latest on the mining dam collapse in Brazil (all times local): 9:15 p.m. Authorities say at least 40 people have died from a dam collapse in...The North Platte Telegraph 2019-01-27