Three things you need to know today.

Texas fire: Firefighters in Bastrop County, Texas, continue to battle on Wednesday a blaze that sprang up Tuesday near where fire destroyed more than 1,500 homes in September.

About 1,000 acres were burning with multiple street evacuations, according to Sissy Jones, spokeswoman with the Bastrop County sheriff's office.

"We have had to evacuate 30 homes in the area," John Nichols, public information officer with the Texas Forest Service, told CNN. A highway in the area was closed because of the fire, he added.

The area that was burning is in the northeast portion of the county near the town of McDade, Texas. The cause of the fire was unknown, authorities said.

Wall Street protest: Labor unions were poised Wednesday to join the Occupy Wall Street protest as similar demonstrations were springing up outside New York City.

"These young people on Wall Street are giving voice to many of the problems that working people in America have been confronting over the last several years," Larry Hanley, international president of the Amalgamated Transit Union, which has 20,000 member in the New York area, told CNN.

Transport Workers Union Local 100 spokesman Jim Gannon said the Occupy Wall Street movement, which denounces social inequities in the financial system and draws inspiration from the Arab Spring revolutions in Africa and the Middle East, has advanced issues that unions typically support.

Meanwhile, a Twitter account called Occupy Boston mentions a city-wide college walkout there Wednesday. The Massachusetts Nurses Association says "hundreds" of the city's nurses will rally with the Occupy Boston protestors on Wednesday. The Nurses Association says the protest will be part of the opening day activities for a national nursing convention being held in Boston.

Halloween costumes: Charlie Sheen, the former star of TV's "Two and a Half Men" who was fired from the popular sitcom earlier this year, is the most popular Halloween costume for 2011, CNNMoney reports.

Top choices for women include Lady Gaga, Katy Perry and Snooki from the "Jersey Shore," the report says, citing figures from Spirit Halloween, the country's largest seasonal Halloween retailer.

As for kids' costumes, expect to be seeing a lot of Angry Birds on your doorstep on Halloween night, the report says.