Updated on: April 20, 2026 / 6:10 PM EDT / CBS/AFP

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Four people, including two American embassy workers, were killed in a car accident following a major drug raid in northern Mexico, prosecutors said Sunday.

On Friday and Saturday, six clandestine synthetic drug labs were raided in Morelos, in the northern state of Chihuahua, after a three-month investigation, state prosecutor César Jáuregui told reporters.

Jáuregui initially said the accident happened while the officers were returning from the drug raids, but after Mexican President Claudia Sheinbaum said she was unaware of any U.S. participation in the operations, the prosecutor later said the Americans weren't involved in those operations.

"It was not an operation that the security cabinet was aware of," Sheinbaum told journalists on Monday, according to The Associated Press.…