Policemen die in Mexico City airport shootout
Three policemen have been killed in a shootout at Mexico City's main airport.
The security ministry said the federal officers had been sent to detain suspects in a drug-trafficking case.
Passengers dived for cover when the suspects opened fire, killing two officers immediately and injuring a third who later died in hospital.
Witnesses said the shooting happened in the food hall of Terminal 2.
Will Grant reports from Mexico City.