“We’re going to do what’s necessary to take the fight to this terrorist group,” Mr. Obama said in a statement on the South Lawn of the White House.
He said a U.S.-Arab coalition that carried out the air strikes, including Jordan and Saudi Arabia, shows that “this is not America’s fight alone.”
SEE ALSO: Obama launches airstrikes in Syria against Islamic State; Pentagon believes ‘we hit’ targets
The Syrian Observatory for Human Rights said at least 70 Islamic State militants were killed about 300 were injured in the air attacks by U.S.-led coalition.
Ret. Col. Jack Jacobs, a military analyst, said on MSNBC that the air strikes will be “not effective over the long term” without ground troops to follow up on the attacks.