Brazil: 20 killed including an officer in police shootout with drug traffickers

At least 20 people, including a police officer, have died in a shootout with drug traffickers in Rio de Janeiro, according to local media.

The O Globo newspaper said two passengers on a metro train were also wounded in the shooting in Jacarezinho, a favela in northern Rio, Brazil.

The shootings, it said, happened during a police operation.