Firefighters had to rescue a Houston woman early Friday when she became stuck in an air vent of a vacant home, the Houston Chronicle reported.

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Authorities responded to a call just before 4:30 a.m. when Arthur Reyes called 911 and said he heard screaming noises coming from the house, KTRK reported.

"I thought it was a fight," Reyes told the television station. "(I asked her) ‘What are you doing up there?"

The woman, who has not been identified, told police she did not remember how she got into the vent, only that she crawled into the house through the roof. according to the Chronicle.

"I've never seen anything like this," District Fire Chief Eric Hutzley told the newspaper.

It took firefighters about 20 minutes to free the woman from the vent, KHOU reported. The woman suffered minor injuries to her leg and was taken to a hospital, the television station reported.

Authorities said the woman did not appear to be under the influence of any drugs or alcohol, the Chronicle reported.