A federal judge in San Antonio on Wednesday blocked Texas from enforcing its ban on so-called sanctuary cities, questioning the constitutionality of a law that has pitted Republican state leaders against several Democratic-leaning cities.

The judge’s ruling was only temporary, and prevents the law from taking effect on Friday while a suit against it goes forward. But the decision, which Texas said it would appeal, served as a legal blow to one of the toughest state-issued immigration laws in the country and puts the brakes on a measure backed by the Trump administration that critics had called anti-Latino. The law has become so divisive that it served as the backdrop of a shoving match at the Texas Capitol between Hispanic Democratic lawmakers and their white Republican colleagues.

This article originally appeared on New York Times. Click here to read the full article on New York Times.