Editor's note: We're live blogging from the Supreme Court today as the nation waits to see whether the justices will hand down rulings on the controversial health care and immigration laws. You can follow along below as CNN Supreme Court Producer Bill Mears and Senior Legal Analyst Jeffrey Toobin get the latest details live from the court as well as analysis when, and if, the major rulings come on Monday. Watch live coverage and analysis now on CNN TV, CNN’s mobile apps and http://cnn.com/live.

[Updated at 1:18 p.m. ET] Attorney General Eric Holder issued the following statement reacting to the Court's ruling:

“I welcome the Supreme Court’s decision to strike down major provisions of Arizona’s S.B. 1070 on federal preemption grounds. Today’s ruling appropriately bars the State of Arizona from effectively criminalizing unlawful status in the state and confirms the federal government’s exclusive authority to regulate in the area of immigration.

While I am pleased the Court confirmed the serious constitutional questions the government raised regarding Section 2, I remain concerned about the impact of Section 2, which requires law enforcement officials to verify the immigration status of any person lawfully stopped or detained when they have reason to suspect that the person is here unlawfully. As the Court itself recognized, Section 2 is not a license to engage in racial profiling and I want to assure communities around this country that the Department of Justice will continue to vigorously enforce federal prohibitions against racial and ethnic discrimination. We will closely monitor the impact of S.B. 1070 to ensure compliance with federal immigration law and with applicable civil rights laws, including ensuring that law enforcement agencies and others do not implement the law in a manner that has the purpose or effect of discriminating against the Latino or any other community.

We will also work to ensure that the verification provision does not divert police officers away from traditional law enforcement efforts in order to enforce federal immigration law, potentially impairing local policing efforts and discouraging crime victims, including children of non-citizens, victims of domestic violence, and asylum seekers, from reporting abuses and crimes out of fear of detention or deportation. We will continue to use every federal resource to protect the safety and civil rights of all Americans.”

[Updated at 12:31 p.m. ET] President Barack Obama has weighed in on the court decision, praising that some parts were struck down, but adding that he was concerned about the provision that remained. His statement is in full below:

"I am pleased that the Supreme Court has struck down key provisions of Arizona's immigration law. What this decision makes unmistakably clear is that Congress must act on comprehensive immigration reform. A patchwork of state laws is not a solution to our broken immigration system – it’s part of the problem.

At the same time, I remain concerned about the practical impact of the remaining provision of the Arizona law that requires local law enforcement officials to check the immigration status of anyone they even suspect to be here illegally. I agree with the Court that individuals cannot be detained solely to verify their immigration status. No American should ever live under a cloud of suspicion just because of what they look like. Going forward, we must ensure that Arizona law enforcement officials do not enforce this law in a manner that undermines the civil rights of Americans, as the Court’s decision recognizes. Furthermore, we will continue to enforce our immigration laws by focusing on our most important priorities like border security and criminals who endanger our communities, and not, for example, students who earn their education – which is why the Department of Homeland Security announced earlier this month that it will lift the shadow of deportation from young people who were brought to the United States as children through no fault of their own.

I will work with anyone in Congress who’s willing to make progress on comprehensive immigration reform that addresses our economic needs and security needs, and upholds our tradition as a nation of laws and a nation of immigrants. And in the meantime, we will continue to use every federal resource to protect the safety and civil rights of all Americans, and treat all our people with dignity and respect. We can solve these challenges not in spite of our most cherished values – but because of them. What makes us American is not a question of what we look like or what our names are. What makes us American is our shared belief in the enduring promise of this country – and our shared responsibility to leave it more generous and more hopeful than we found it."

[Updated at 12:08 p.m. ET] In regard to similar laws that have been enacted in other states, CNN Senior Legal Analyst Jeffrey Toobin predicts “legal trench warfare on all these laws.”

The  “mixed nature of the verdict” makes it impossible to say if these laws or constitutional or unconstitutional, so judges in the future will have to go through each law provision by provision to determine constitutionality.

The ruling guarantees American will see more cases out of other states in the future,” Toobin said.

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