Bolsonaro uses Brazil's dictatorship-era law as protesters depict him as a Nazi

National security law dating from military rule has been used to detain or investigate critics of Brazil's president

Protesters against Brazil's president, Jair Bolsonaro, have defied police in the capital after the latest round of arrests of the leader's critics under a dictatorship-era national security law.

Four demonstrators were detained in Brasilia on Thursday after calling Bolsonaro genocidal" for his handling of the coronavirus pandemic and displaying a cartoon depicting the president as a Nazi. But on Friday, police quietly watched an hour-long protest against Bolsonaro in the capital staged by about 40 people.