Residents living near Oroville, California, who were ordered to evacuate after spillways at the tallest dam in the United States were severely damaged, can now safely return home - as crews successfully drained enough water from the dam to lift the mandatory evacuation order.
"Taking into account the current level of risk, the predicted strength of the next round of inclement weather and the capacity of the lake to accommodate increased inflow associated with those storms, we have concluded that it is safe to reduce the immediate evacuation order currently in place to an evacuation warning."
The sheriff saying that the warning means people can return home but should be prepared to evacuate again if necessary.
The trouble began last week when extraordinarily heavy rainfall raised the level of Lake Oroville, following years of severe drought.
Water was drained through a main spillway - part of its concrete lining damaged - and through a second emergency spillway, it containing a breach so perilous authorities worried it would unleash a wall of water three stories high on the towns below.
Helicopters racing to drop rocks and sand bags into the damaged spillways to help plug the leak.
More rain was forecast for as early as Wednesday and through Sunday, but the danger appears to have been averted for now.

Residents living near Oroville, California, who were ordered to evacuate after spillways at the tallest dam in the United States were severely damaged, can now safely return home - as crews successfully drained enough water from the dam to lift the mandatory evacuation order.
"Taking into account the current level of risk, the predicted strength of the next round of inclement weather and the capacity of the lake to accommodate increased inflow associated with those storms, we have concluded that it is safe to reduce the immediate evacuation order currently in place to an evacuation warning."
The sheriff saying that the warning means people can return home but should be prepared to evacuate again if necessary.
The trouble began last week when extraordinarily heavy rainfall raised the level of Lake Oroville, following years of severe drought.
Water was drained through a main spillway - part of its concrete lining damaged - and through a second emergency spillway, it containing a breach so perilous authorities worried it would unleash a wall of water three stories high on the towns below.
Helicopters racing to drop rocks and sand bags into the damaged spillways to help plug the leak.
More rain was forecast for as early as Wednesday and through Sunday, but the danger appears to have been averted for now.

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• 1.

  Who had been ordered to evacuate?

  a) residents living near Boston

  b) residents living near Oroville

  c) residents living near Los Angeles
• 2.

  In which state is the dam located?

  a) California

  b) Arizona

  c) Colorado
• 3.

  What prompted the evacuation?

  a) terrorist attacks

  b) damaged spillways at a dam

  c) volcanic eruption
• 4.

  Which dam is the tallest in the United States?

  a) Oroville Dam

  b) Hoover Dam

  c) Gilrain Dam
• 5.

  What are the people supposed to do?

  a) evacuate as soon as possible

  b) leave the country

  c) be prepared to evacuate again if necessary

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