A man holds up his dogs as he leaves his house at Copiapo city, March 26, 2015. The death toll in Chile rose to four after rains battered the north and caused flooding, the government said on Thursday, while 22 others were unaccounted for as the military rescued stranded villagers. (Photo by Ivan Alvarado/Reuters)

Two men try to help another cross a mud flat in Copiapo, Chile, Thursday, March 26, 2015. Unusually heavy thunder storms and torrential rains that began on Tuesday have blocked roads, caused power outages and affected some 600 people on this normally dry region. (Photo by Aton Chile/Marcelo Hernandez/AP Photo)

Men stand beside a woman rescued from the mud as she rests on a mattress in Copiapo, Chile, Thursday, March 26, 2015. (Photo by Pablo Sanhueza/AP Photo)

Men try to cross a mud flat in Copiapo, Chile, Thursday, March 26, 2015. (Photo by Aton Chile/Marcelo Hernandez/AP Photo)

A woman rests on a mattress on a mud covered street after rains caused heavy flooding in Copiapo, Chile, Thursday, March 26, 2015. (Photo by Aton Chile/Marcelo Hernandez/AP Photo)

Locals cross a floodeded river at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

People are transported on an excavator as they are evacuated from their home at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

A damaged car covered in mud lies on a street at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

A man removes water from his shoe as he sits on a mining truck wheel at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

Locals prepare to tow a car away from the mud at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

Locals cross a flooded river at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

Locals gather next to a damaged electric pole at the shore of a flooded river at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

Locals cross a flooded river at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

A damaged car covered in mud lies on a street at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

Vehicles covered in mud are pictured on a street at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

A vehicle covered in mud is pictured on a street at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

A child walks through a flooded street at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

Locals walk through a flooded street at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

Locals walk on a road barrier on a flooded street at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

Locals cross a flooded street at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

Locals carry a gas bottle on a flooded street at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

A traffic signal is seen on a flooded street at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

A woman holds a religious figure covered in mud as she is evacuated from her house at Copiapo city, March 26, 2015. (Photo by Ivan Alvarado/Reuters)

A group of people is transported across a mud covered area on the shovel of a front-end loader after flooding from heavy rains in Copiapo, Chile, Thursday, March 26, 2015. (Photo by Aton Chile/Marcelo Hernandez/AP Photo)

Cars and a truck lie half submerged in the mud in a street in Copiapo, Chile, Thursday, March 26, 2015. (Photo by Pablo Sanhueza/AP Photo)

A woman rescued from the mud rests in a mattress on a truck in Copiapo, Chile, Thursday, March 26, 2015. (Photo by Pablo Sanhueza/AP Photo)

Two men help each other cross a street covered in deep mud in Copiapo, Chile, Thursday, March 26, 2015. (Photo by Pablo Sanhueza/AP Photo)

Two men stand in a flooded street at a shop in Copiapo, Chile, Thursday, March 26, 2015. (Photo by Pablo Sanhueza/AP Photo)

A family holds on a rope as they cross a flooded street in Copiapo, Chile, Thursday, March 26, 2015. (Photo by Pablo Sanhueza/AP Photo)