Member of Brazil's Homeless Workers' Movement (MTST) is seen in front of a burning barricade during a protest against President Michel Temer's proposal to reform Brazil's social security system in the early hours of a general strike in Brasilia, Brazil. REUTERS/Ueslei Marcelino

In the economic hub of Sao Paulo, the main tourist draw Rio de Janeiro and several other metropolitan areas, protesters used barricades of burning tires and other materials to block highways and access to major airports.
Police clashed with demonstrators in several cities, blocking protesters from entering airports and firing tear gas in efforts to free roadways.
Many workers were expected to heed the call to strike for 24 hours starting just after midnight Friday, due in part to anger about progression this week of congressional bills to weaken labor regulations and efforts to change social security that would force many Brazilians to work years longer before drawing a pension. In addition, the strike will extend a holiday weekend ahead of Labor Day on Monday.
This will be Brazil’s first general strike in more than two decades if it gets widespread participation.
Authorities boarded up windows of …
READ MORE ON REUTERS.COM