Twelve days after Brazil's President Michel Temer deployed the military to boost security in the state of Rio de Janeiro, criticism about the move continues.

Officials have so far provided little detail about what has been achieved while residents complain about harassment and intimidation.

The general in charge of the operation said Rio was a "test case" for military deployments in other parts of Brazil.

The move came after a surge of violence in the state during Rio's carnival.

President Temer issued a decree on 16 February putting the military in charge of security in Rio de Janeiro arguing that he was "taking this extreme measure because the circumstances demand it".The presidential decree was approved by Brazil's National Congress only four days later by an overwhelming majority.

While soldiers have been deployed to the crime-ridden neighbourhoods of Rio before and were also used to patrol the streets during the 2016 Olympic Games, the decree puts the army in charge of Rio's police force for the first time since a new constitution came into force in 1988 following the end of military rule.

About 3,000 soldiers have been sent to patrol the streets of the city. But questions have been asked about the effect of the operation.

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