Brazilians angry at the government staged a general strike Friday that disrupted life in major cities across Latin America's largest country.

The strike was urged by trade unions to protest a pension overhaul being discussed in Congress.

In Rio de Janeiro, police launched tear gas at protesters who attempted to block Avenida Brasil, while residents of Sao Paulo awoke to find demonstrators burning tires on the main Rodovia Anhangüera highway.

A demonstrator shows her Portuguese message "Get out Bolsonaro" during a general strike in Sao Paulo, Brazil, Friday, June 14, 2019. The strike is the first of its kind since President Jair Bolsonaro took office in January. (AP PhotoSuamy Beydoun)

A demonstrator shows her Portuguese message "Get out Bolsonaro" during a general strike in Sao Paulo, Brazil, Friday, June 14, 2019. The strike is the first of its kind since President Jair Bolsonaro took office in January. (AP PhotoSuamy Beydoun)

There were no reports of injuries.

The strike was the first of its kind since far-right President Jair Bolsonaro took office Jan. 1.

The administration aims to raise the retirement age to 65 for men and 62 for women and increase workers' contributions for pensions.

A woman wears a sticker with the word "Fell apart," as a protest against Justice Minister Sergio Moro, during a general strike in Sao Paulo, Brazil, Friday, June 14, 2019. The news site The Intercept on Sunday published leaked documents and messages allegedly showing that Moro offered guidance to prosecutors of the sprawling "Car Wash" corruption probe.  (AP PhotoSuamy Beydoun)

A woman wears a sticker with the word "Fell apart," as a protest against Justice Minister Sergio Moro, during a general strike in Sao Paulo, Brazil, Friday, June 14, 2019. The news site The Intercept on Sunday published leaked documents and messages allegedly showing that Moro offered guidance to prosecutors of the sprawling "Car Wash" corruption probe. (AP PhotoSuamy Beydoun)

Protester Carolina Cacau said the plan would do away with retirement altogether.

"It will make workers work until their death," she said.

A man holds up the Portuguese message "Get Out Bolsonaro" during a general strike in Sao Paulo, Brazil, Friday, June 14, 2019. The strike was called for by trade unions to protest a pension reform being discussed in Congress. (AP PhotoSuamy Beydoun)

A man holds up the Portuguese message "Get Out Bolsonaro" during a general strike in Sao Paulo, Brazil, Friday, June 14, 2019. The strike was called for by trade unions to protest a pension reform being discussed in Congress. (AP PhotoSuamy Beydoun)