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Mexico City 'Explosion' at Pemex, state oil giant Mexico City 'explosion' at Pemex, state oil giant
(35 minutes later)
An explosion has rocked the headquarters of state oil company Pemex in Mexico City, causing several injured, reports say. An explosion has rocked the headquarters of state oil company Pemex in Mexico City, leaving several people injured, the company says.
"An explosion took place in the B2 building of the administrative centre," the >company said in a message on Twitter. "An explosion took place in the B2 building of the administrative centre," > Pemex said in a message on Twitter.
"There are injuries and damage on the ground floor and mezzanine," it said. "There are injuries and damage on the ground floor and mezzanine," it said. The cause of the blast is not known.
Last September, 26 people died in an explosion at a Pemex gas plant in northern Mexico.Last September, 26 people died in an explosion at a Pemex gas plant in northern Mexico.
Television pictures showed rubble from the blast spread out on to the street in front of the building, and Red Cross ambulances on the scene attending to the injured, the BBC's Will Grant reports from Mexico City.
At this stage there is no official explanation for the explosion, our correspondent adds.
Trapped
At least 22 people were injured in the explosion at the 54-floor Pemex Executive Tower, a local emergency official told journalists.
Some people were trapped in the basement after the blast, the official is quoted as saying.
Plaster had fallen from the ceiling of the basement and the situation was "delicate", another spokesman for local emergency services was quoted by the Reuters news agency.
Pemex has experienced a number of accidents in recent years.
Last September's deadly blast at a gas plant near the northern town of Reynosa is thought to have been caused by a build up of gas.
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