Guatemala's national police chief and anti-drug czar were detained Tuesday in a case of stolen cocaine that led to the deaths of five police agents.

Attorney General Amilcar Velasquez told The Associated Press that Police Chief Baltazar Gonzalez, anti-drug czar Nelly Bonilla and a third, unidentified official were being held "for being linked to the robbery of drugs in Amatitlan in March 2009."

None of the three had been charged.