It was unclear what caused the explosion, which occurred in the building's basement, Pemex spokesman Francisco Montano told Notimex.
Water may have trickled to the building's basement, where Reshma was found, from recent rains and from water sprayed by rescuers.
The fire started in the building's basement where flammable material was stored.
The four men who are unaccounted for are believed to be trapped under concrete rubble in the building's basement, where many of the men were seeking shelter, Mr. Mokdad said.
Eventually, Swartz broke into a closet in the basement of building at MIT and connected his computer directly to the network.
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He laid off his employees, sold his office building and worked from his basement.
Two days later, he says, neighbors heard a child's cries coming from the basement of the building in which the family lived.
Employees at the Pemex annex said that the basement of the building, where he explosion is believed to have originated, housed a water treatment facility, storage areas and archives.
Salvage workers said they had reached the basement of the building in Savar, a commercial hub about 10 miles north of the capital Dhaka, and were unlikely to recover significant numbers of new bodies.
The collection at the New York State Museum in Albany has a large piece of landing gear that went through the roof and landed in the basement of a building next to 51 Park Place.
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Its hearings are in a windowless basement in an anonymous building in London's legal heartland.
And the neighbors upstairs (the bar was in the basement of an apartment building) called the cops.
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The men broke into a shabby basement apartment in a building that belonged to the uncle of suspected mastermind Nelson Morales.
Had I been sitting on that basement floor with these building blocks instead of legos, who knows what I would have built.
But Williams brought accountability to a city where tax officials had literally left returns strewn across the basement of a city building.
The body of a woman was found by firefighters when water was pumped from the basement of a flooded building in Dublin.
In the basement of the HarperCollins building in midtown Manhattan, headquarters of Global Rainmakers, a group of physicists and computer engineers are hunting identity thieves.
During the storm, water filled the basement of the Immigration Building, and there was also significant damage to mechanical systems and the building's fire suppression system.
But Tepco said melting fuel rods had created a hole in the chamber, allowing 3, 000 tonnes of contaminated water to leak into the basement of the reactor building.
It's one of about several dozen clubs here in the city that teach kids three to four hours a day how to play ping pong, and it's located in the basement of an apartment building here on the south side of town.
The site of the London search was a basement apartment in an ornate building in a wealthy neighborhood.
To save money, we lived in the basement of a small apartment building.
They had to pump some 60 feet of water out of the basement of a large office building to allow Con Ed to restore power.
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Shortly after they overthrew Saddam, US forces found the archives of the Jewish community submerged in a flooded basement of a secret police building in Baghdad.
Two or three others were hospitalized and released after contact with radioactive water in the partially flooded basement of a Fukushima Daiichi turbine power building.
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As the storm bore down on suburban Oklahoma City, Adrian Lillard, 28, of The Village, went to the basement of her mother's office building with a friend, her nieces, nephews and two dogs.
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In my case, I like to the think that my contributions to DNS were the basement and first two floors of a tall building.
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The nine-year- old building boasts 2, 783 sq m of prime offices plus basement parking for 66 vehicles.
And building managers like Komorowski needn't be tethered to a bunch of screens in a basement control room.
The building dated back to the 18th century, but a mid-20th-century fire meant that everything but the basement had been rebuilt.
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