Disaster_Accident

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Paramedics carrie a subway blast victim into an ambulance after explosion at Tekhnologichesky Institut subway station in St.Petersburg, Russia, Monday, April 3, 2017. The subway in the Russian city of St. Petersburg is reporting that there are fatalities and several people have been injured in an explosion on a subway train. (Alexander Tarasenkov/Interpress via AP)

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This Monday, April 3, 2017, photo from video provided by KMOV shows damage to the roof of a box company in St. Louis after a boiler exploded and flew before crashing through the roof of a nearby laundry business. Authorities said several people were killed as a result of the explosion. (KMOV via AP)

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This Monday, April 3, 2017 photo from video provided by KMOV shows damage to the roof of a box company in St. Louis after a boiler exploded and flew before crashing through the roof of a nearby laundry business. Authorities said several people were killed as a result of the explosion. (KMOV via AP)

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The remains of a trailer lie where a woman and her 3-year-old daughter were killed during a severe storm, in Breaux Bridge, La., Sunday, April 2, 2017. (Lucius Fontenot/The Daily Advertiser via AP)

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In this photo provided by the St. Martin Parish Sheriff's Office, the remains of a trailer lie where a woman and her 3-year-old daughter were killed during a severe storm, in Breaux Bridge, La., Sunday, April 2, 2017. A tornado flipped the mobile home Sunday in Louisiana, killing the mother and her daughter as a storm system with hurricane-force winds crawled across the Deep South, damaging homes and businesses. (Maj. Ginny Higgins/St. Martin Parish Sheriff's Office via AP)

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In this photo provided by the St. Martin Parish Sheriff's Office, the remains of a trailer lie where a woman and her 3-year-old daughter were killed during a severe storm, in Breaux Bridge, La., Sunday, April 2, 2017. A tornado flipped the mobile home Sunday in Louisiana, killing the mother and her daughter as a storm system with hurricane-force winds crawled across the Deep South, damaging homes and businesses. (Maj. Ginny Higgins/St. Martin Parish Sheriff's Office via AP)

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In this Aug. 12, 2015 photo, Environmental Protection Agency contractors use heavy machinery to repair damage at the site of the blowout at the Gold King Mine, which triggered a spill of toxic wastewater, outside Silverton, Colo. Farmers, business owners and residents initially said they suffered $1.2 billion in lost income, property damage and personal injuries from the 2015 spill at the Gold King Mine. The total now appears to be about $420 million after attorneys for a handful of New Mexico property owners slashed their claims by $780 million. (AP Photo/Brennan Linsley)

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FILE - In this Aug. 14, 2015, file photo, water flows through a series of sediment retention ponds built to reduce heavy metal and chemical contaminants from the Gold King Mine wastewater accident, in the spillway downstream from the mine, outside Silverton, Colo. Farmers, business owners and residents initially said they suffered $1.2 billion in lost income, property damage and personal injuries from the 2015 spill at the Gold King Mine. The total now appears to be about $420 million after attorneys for a handful of New Mexico property owners slashed their claims by $780 million. (AP Photo/Brennan Linsley, File)

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In this Aug. 12, 2015 photo, an Environmental Protection Agency contractor works on the cleanup in the aftermath of the blowout at the Gold King Mine, overseeing water flowing from the mine into a series of sediment retention ponds, mitigating damage from the spill of toxic wastewater, outside Silverton, Colo. Farmers, business owners and residents initially said they suffered $1.2 billion in lost income, property damage and personal injuries from the 2015 spill at the Gold King Mine. The total now appears to be about $420 million after attorneys for a handful of New Mexico property owners slashed their claims by $780 million. (AP Photo/Brennan Linsley)

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In this Aug. 12, 2015, photo, the water of the Cement Creek is yellow-tinged as it flows down a valley just downstream from the Gold King Mine, where a wastewater accident several days earlier had occurred, outside Silverton, Colo. Farmers, business owners and residents initially said they suffered $1.2 billion in lost income, property damage and personal injuries from the 2015 spill at the Gold King Mine. The total now appears to be about $420 million after attorneys for a handful of New Mexico property owners slashed their claims by $780 million. (AP Photo/Brennan Linsley)

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In this Aug. 12, 2015 photo, mine wastewater flows through a series of retention ponds built to contain and filter out heavy metals and chemicals from the Gold King Mine chemical accident in the spillway about 1/4 mile downstream from the mine, outside Silverton, Colo. Farmers, business owners and residents initially said they suffered $1.2 billion in lost income, property damage and personal injuries from the 2015 spill at the Gold King Mine. The total now appears to be about $420 million after attorneys for a handful of New Mexico property owners slashed their claims by $780 million. (AP Photo/Brennan Linsley)

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Colorado Avalanche right wing Rene Bourque (17) and Minnesota Wild defenseman Marco Scandella (6) go after the puck during the second period of an NHL hockey game Sunday, April 2, 2017, in St. Paul, Minn. (AP Photo/Hannah Foslien)

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Colorado Avalanche right wing Mikko Rantanen, right, of Finland, shoots as Minnesota Wild's Ryan Suter (20) defends during the second period of an NHL hockey game Sunday, April 2, 2017, in St. Paul, Minn. Rantanen scored a goal on the play. (AP Photo/Hannah Foslien)

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Colorado Avalanche left wing Gabriel Landeskog (92), of Sweden, has the puck against Minnesota Wild right wing Nino Niederreiter (22), of Switzerland, during the second period of an NHL hockey game Sunday, April 2, 2017, in St. Paul, Minn. (AP Photo/Hannah Foslien)

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Minnesota Wild defenseman Christian Folin (5), of Sweden, and Colorado Avalanche left wing Blake Comeau (14), of Russia, crash into the boards during the first period of an NHL hockey game Sunday, April 2, 2017, in St. Paul, Minn. (AP Photo/Hannah Foslien)

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Minnesota Wild left wing Zach Parise (11) works with the puck against Colorado Avalanche center Nathan MacKinnon (29) during the first period of an NHL hockey game Sunday, April 2, 2017, in St. Paul, Minn. (AP Photo/Hannah Foslien)

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Colorado Avalanche goalie Calvin Pickard (31) allows a shot by Minnesota Wild defenseman Jared Spurgeon (not shown) to go into the net while Wild center Erik Haula (56), of Finland, and Colorado Avalanche defenseman Erik Johnson (6) watch during the first period of an NHL hockey game Sunday, April 2, 2017, in St. Paul, Minn. (AP Photo/Hannah Foslien)