Commuting chaos has entered its second day in Sao Paulo, a week before the opening match of the World Cup, in protest over housing conditions.
Police used tear gas to break up a demonstration blocking access to one metro station, but a third of the city's subway stops remained closed early in the morning.
The strike already set a record on Thursday for morning gridlock in Sao Paulo this year, with many people now using the already stretched bus services in the city.
More top news
Figures released by Network Rail and the Samaritans show there have been 33 more deaths on the tracks in the last year.
NHS trusts are denying thousands of women across Britain fertility treatment in a bid to cut costs, a health watchdog has warned.
Overhaul of NHS would include workplace weight-loss schemes with money and shopping voucher prizes.