Obama Oval Office Address

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Obama to deliver rare Oval Office address Sunday on terrorism - President Obama will discuss the San Bernardino, Calif., shootings and the broader threat of terrorism on Sunday night in a rare prime time address from the Oval Office.

The address at 8 p.m. will hit on the Islamic State in Iraq and Syria and how the terror threat has "evolved, and how we will defeat it," according to the White House.

"He will reiterate his firm conviction that ISIL will be destroyed and that the United States must draw upon our values – our unwavering commitment to justice, equality and freedom – to prevail over terrorist groups that use violence to advance a destructive ideology," the White House said in a statement.

The speech will come less than a week after 14 people were killed and dozens injured during a shooting in San Bernardino, which is now being investigated as an act of terrorism. It is also less than a month after the terrorist attacks in Paris, for which ISIS claimed responsibility.

Obama called the California shootings an act of terrorism earlier in the day and said it is possible the two shooters were radicalized. But during a briefing with national security aides, Obama was told there were no links yet uncovered to a broader terrorist cell. The Islamic State in Iraq and Syria have increasingly encouraged lone wolf attacks.