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Cots, food, medicine, and sundries all cost money, but the Dallas City Council has the backs of Harvey evacuees in its shelters.

That’s because city council approved $8 million last week to spend on relief efforts.

RELATED: Mental and physical, evacuee health issues are among the latest problems in Houston’s Hurricane Harvey shelters

At the city’s convention center, where about 250 evacuees are being housed, the air-conditioned garage can hold up to 5,000. Officials say the number of evacuees may rise this week, as roads in southeast Texas clear, allowing people to head north.

RELATED: A pair of businessmen are providing sleep-soft shelter and free haircare products to Houston’s Harvey survivors

Assistant City Manager Jon Fortune told city council members to expect as many as 20,000-30,000 evacuees in North Texas.