He said some people were feared trapped in the rubble of buildings that collapsed in the bombing.
New York's Office of Emergency Management is assessing the structural damage to buildings around the collapsed World Trade Center complex.
"Buildings and the walls of buildings are collapsed, " he said.
"Buildings and the walls of buildings are collapsed, " Marwan said.
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Many of the collapsed buildings were schools and nurseries, leading to widespread criticism of local government's planning policies.
By then, the two buildings had collapsed, and this stuff was strewn like confetti across a city street.
If however, we look pass the collapsed buildings and the tent cities we will see that the quake also left behind an opportunity.
Scott Devico, a spokesman for the Connecticut Department of Emergency Management, said Monday the roofs of 16 homes and buildings had collapsed because of the weight of the snow piled atop them.
In Yingxiu Township at the Xuankou middle and high school, a moment of silence was held amid the ruins of collapsed buildings and debris.
Rescuers searched for more survivors of the earthquake under collapsed buildings around western Turkey's industrial belt, but hope was fading for those still trapped.
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"The number of collapsed buildings this time is less, and most are old houses that were built long before, " added Wang Ruheng, dean of the school of civil engineering and architecture at Southwest University of Science and Technology in the city of Mianyang, in Sichuan province.
Seventy-seven buildings collapsed in the town of Sultandagi and the effects were felt as far away as the capital.
The government also estimated that 250, 000 residences and 30, 000 commercial buildings collapsed or were severely damaged in the earthquake.
Parents suspect that this is because they were better constructed than the school's two collapsed buildings.
The concept was developed in the 1980s, focusing on collapsed buildings.
Farmers' leader Tom Johnston of NFU Scotland said hundreds of agricultural buildings had collapsed under the weight of snow across the north and north-east of Scotland.
One of the hardest hit areas was Baoxing county, where almost all buildings had collapsed, including many that were built after the 2008 earthquake, according to the state-run Xinhua news agency.
In 2009, a great number of traditional buildings managed to stand a terrible earthquake in Kashmir, saving the lives of their inhabitants, while conversely, reinforced concrete buildings which were badly constructed collapsed completely in the same affected areas, killing everyone inside.
Their work was hampered by the huge scale of the devastation, where landslides and collapsed buildings made many roads impassible.
The water barreled through with such force, it knocked Gulfport's town hall off of its foundation, and the walls of some brick and mortar buildings collapsed.
There, some 70% of the buildings, already weakened by three months of quakes, collapsed.
People flooded into the streets as the ground shook, and many were trapped in collapsed buildings.
He has told me that the Church St South is indeed gone, and many buildings have collapsed.
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Some parents pointed to poor design and use of substandard building materials as some of the reasons why many schools - described as "beancurd dregs buildings" - collapsed in areas where other buildings were not badly affected.
Many school buildings collapsed in that earthquake, leading to public outcry over shoddy construction and the lack of safety measures.
The Koreans had them, even though South Korea is far less prone to earthquakes (though collapsed buildings are not uncommon).
Some parents pointed to poor design and use of substandard building materials as some of the reasons why many schools -- described as "bean-curd dregs buildings" -- collapsed in areas where other buildings were not badly affected.
The HART units - made up of seven teams of six - will be on call 24 hours a day at the Ambulance Special Operations Centre (ASOC) to respond to multiple casualties, people trapped in collapsed buildings, flooding or hazardous materials incidents.
The death toll from the quake is expected to rise even higher, with state media saying thousands are still trapped in collapsed buildings.
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