MEXICO CITY (AP) -- Officials in Mexico say a plane crash that killed two top anti-drug officials was probably an accident.
U.S. and British investigators are now in Mexico, however, to help rule out an attack by drug cartels.
The government Learjet 45 plowed into rush-hour traffic in Mexico City yesterday. A city prosecutor tells the Televisa network that the dead include Mexico's interior secretary, a former anti-drug prosecutor and at least 11 others, including four people on the ground. He said a mechanical failure may have caused the crash.
The deaths are a major blow to President Felipe Calderon's already embattled government and its fight against drug trafficking.
Witnesses said they heard the drone of a plane's motor and then felt a powerful explosion that rocked the area and unleashed a fireball on Mexico City's main Reforma Avenue. Dozens of cars caught fire and at least 40 people were injured.
(Copyright 2008 by The Associated Press. All Rights Reserved.)
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