LAKE BUENA VISTA, Fla. -- Mitt Romney promised Latinos on Thursday that he would swiftly reform the American immigration system -- once again without saying whether he would end President Obama's policy allowing some young undocumented immigrants reprieve from fear of deportation.

"Some people have asked if I will let stand the president's executive order," Romney said at the National Association of Latino Elected and Appointed Officials conference. Romney incorrectly referred to the policy change as an order from the president instead of a directive to agencies dealing with immigration.

"The answer is that I will put in place my own long-term solution that will replace and supersede the president's temporary measure," he said.

Romney has been under intense pressure to issue major remarks on immigration since last week, when the president issued a directive to the Department of Homeland Security to grant work authorization and halt deportation of young undocumented immigrants who would be eligible for the Dream Act.