153 Dead in Nigerian Plane Crash

 Nigerian officials say all 153 people on board a Nigerian passenger aircraft flight were killed when the plane crashed into a building in Lagos.

President Goodluck Jonathan has declared three days of official mourning for the victims and ordered a thorough investigation¹ into the disaster.

Officials from Nigeria's Civil Aviation Authority say the Dana Airlines flight was traveling Sunday from Abuja to Lagos when it crashed into a two-story building in a densely² populated residential³ area, setting other buildings on fire.

Everyone on board the plane was killed. It is unclear if anyone on the ground was killed.

Dana Airlines is a domestic air carrier that operates a fleet of Boeing MD-83 aircraft for the hour-long flight from Abuja to Lagos.

1 investigation   

n.调查，调查研究

参考例句：

• In an investigation,a new fact became known, which told against him.在调查中新发现了一件对他不利的事实。
• He drew the conclusion by building on his own investigation.他根据自己的调查研究作出结论。

2 densely   

ad.密集地；浓厚地

参考例句：

• A grove of trees shadowed the house densely. 树丛把这幢房子遮蔽得很密实。
• We passed through miles of densely wooded country. 我们穿过好几英里茂密的林地。

3 residential   

adj.提供住宿的；居住的；住宅的

参考例句：

• The mayor inspected the residential section of the city.市长视察了该市的住宅区。
• The residential blocks were integrated with the rest of the college.住宿区与学院其他部分结合在了一起。