Arizona was among 22 states that asked federal courts Tuesday to block President Donald Trump’s order ending birthright citizenship for children of undocumented immigrants.

The state is asking the court to maintain rules requiring public water systems to test for common household chemicals in water supplies.

Coughenour began blistering him with questions, calling the executive order “blatantly unconstitutional.” Coughenour went on to temporarily block it pending further arguments. Here are some things to know about the decision and the lawsuits challenging Trump's order.

A federal district court judge placed a temporary injunction on President Donald Trump’s executive order limiting birthright citizenship.

A federal judge in Seattle on Thursday temporarily blocked President Donald Trump’s executive order seeking to end birthright citizenship.

While the pardon frees her from her sentence and any restrictions placed on her as a result, the conviction remains on her record.

U.S. District Judge John C. Coughenour ruled in the case brought by the states of Washington, Arizona, Illinois and Oregon, which argue the 14th Amendment and Supreme Court case law have cemented birthright citizenship.

The lawsuit filed in Seattle has been progressing the fastest of the five cases brought over the executive order.

American Airlines and JetBlue agree to pay nearly $2M in legal fees to six US states after losing a lawsuit over the now-blocked Northeast Alliance partnership.

Until the order, which Trump signed the same day he was inaugurated as the 47th president, the U.S. government has, at least the late 1800s, considered the child of any immigrant born on U.S. soil an automatic citizen, even to a mother in the United States illegally.

President Donald Trump’s executive order denying U.S. citizenship to the children of parents living in the country illegally faced the first of what will be many legal tests

Attorneys general from 22 states have sued to block President Donald Trump’s move to end a century-old immigration policy known as birthright citizenship guaranteeing that U.S.