The Rhea fire burns in the distance behind a wind farm near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The Rhea fire burns in the distance behind a wind farm near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 The Rhea fire burns through a grove of red cedar trees near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The Rhea fire burns through a grove of red cedar trees near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 The Rhea fire causes the the fuses on a power line to explode  near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The Rhea fire causes the the fuses on a power line to explode near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 A plane makes a water drop on the Rhea Fire near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

A plane makes a water drop on the Rhea Fire near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 The Rhea fire burns through a grove of red cedar trees near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The Rhea fire burns through a grove of red cedar trees near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 A firefighter waits for the Rhea fire to approach near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

A firefighter waits for the Rhea fire to approach near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 The sun sets through smoke from the Rhea fire on a wind farm near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The sun sets through smoke from the Rhea fire on a wind farm near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 Firefighters struggle to fight the Rhea fire into the night near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

Firefighters struggle to fight the Rhea fire into the night near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 A firefighter works to control the Rhea fire near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

A firefighter works to control the Rhea fire near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 The Rhea fire burns into the night near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The Rhea fire burns into the night near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 The remains of Larry and Arlinda Lynes home that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The remains of Larry and Arlinda Lynes home that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 David Bailey, left, and Bobby Yoder remove tin roofing from the remains of Larry and Arlinda Lynes home that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

David Bailey, left, and Bobby Yoder remove tin roofing from the remains of Larry and Arlinda Lynes home that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 Pastures burnt by the Rhea fire are seen near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

Pastures burnt by the Rhea fire are seen near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 A grove of trees that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

A grove of trees that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

 The Rhea fire burns in the distance behind a wind farm near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 The Rhea fire burns through a grove of red cedar trees near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 The Rhea fire causes the the fuses on a power line to explode  near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 A plane makes a water drop on the Rhea Fire near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 The Rhea fire burns through a grove of red cedar trees near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 A firefighter waits for the Rhea fire to approach near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 The sun sets through smoke from the Rhea fire on a wind farm near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 Firefighters struggle to fight the Rhea fire into the night near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 A firefighter works to control the Rhea fire near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 The Rhea fire burns into the night near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 The remains of Larry and Arlinda Lynes home that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 David Bailey, left, and Bobby Yoder remove tin roofing from the remains of Larry and Arlinda Lynes home that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 Pastures burnt by the Rhea fire are seen near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford
 A grove of trees that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The Rhea fire burns in the distance behind a wind farm near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The Rhea fire burns through a grove of red cedar trees near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The Rhea fire causes the the fuses on a power line to explode near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

A plane makes a water drop on the Rhea Fire near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The Rhea fire burns through a grove of red cedar trees near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

A firefighter waits for the Rhea fire to approach near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The sun sets through smoke from the Rhea fire on a wind farm near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

Firefighters struggle to fight the Rhea fire into the night near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

A firefighter works to control the Rhea fire near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The Rhea fire burns into the night near Seiling, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

The remains of Larry and Arlinda Lynes home that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

David Bailey, left, and Bobby Yoder remove tin roofing from the remains of Larry and Arlinda Lynes home that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

Pastures burnt by the Rhea fire are seen near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

A grove of trees that was destroyed by the Rhea fire near Taloga, Oklahoma, U.S. April 17, 2018. REUTERS/Nick Oxford

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