President Obama informed

President Barack Obama made brief statements Friday after being informed of the shooting.

Obama says the nation has to come together, take meaningful action after school shooting.

"We've endured too many of these tragedies," he said. "I react not as a president but as anybody as would -- as a parent."

Obama said the children had "their whole lives ahead of them."

"Our hearts are broken today," he said.

READ: Complete statement from the president

He ordered flags lowered to half-staff in mark of respect for the victims.

Carney would not confirm any details about the shooting. The White House says the FBI is supporting state and local law enforcement officials in Connecticut as they respond to and investigate the incident.

Michigan responds

“The senseless acts of violence witnessed today in Newtown are unthinkable,” said Gov. Rick Snyder. “My sincere condolences, thoughts and prayers go out to the parents and entire families forever impacted by this tragic event.”

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Deadly school shootings in U.S. history