A second man attempting to enter the White House illegally was arrested Saturday, less than 24 hours after a similar fence jumping security transgression at the White House prompted renewed criticism of the way the U.S. Secret Service protected the president and first family.

The Saturday incident, according to Secret Service spokesman Ed Donovan, happened when a man tried to enter the area on foot, then pulled up later to a White House gate and refused to leave his vehicle. He was arrested on suspicion of unlawful entry.

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Meanwhile, lawmakers and critics weighed in Saturday on agency shortcomings following the incident that occurred mere minutes after President Obama departed the White House along with daughters Sasha and Malia on the way to Camp David.

An intruder identified Saturday as Omar J. Gonzalez, 43, jumped the fence and raced across the North Lawn before heading to the door, which apparently was open. Although agents caught up to the man, he managed to get through the door first.

The incident represented the first time an intruder had gotten across the White House lawn and into the building, according to Ronald Kessler, author of a book recently released highly critical of the Secret Service. Kessler called the security breach the most glaring example of how the Secret service has become "dangerously lax."

U.S. Rep. Jason Chaffetz, R-Utah, said the breach was completely unacceptable. The Secret Service simply failed to do their job and its leadership needed to be held accountable, he added.

Other critics asked why it took Secret Service agents so long to apprehend the suspect and why didn't they use dogs to stop the man.

Law enforcement officials said the man didn't have a weapon, backpack or bags and the Obamas had left the building, so the threat to the first family was nil. Since closing Pennsylvania Avenue isn't feasible and the White House is a national institution, officials had to balance security with access, the official said. That need for access means fence jumping happens sometimes, the official added.

Secret Service officials released a statement saying the agency would investigate the break-in and review procedures to ensure they were properly followed.

TagsSecret Service, White House Break-in, President Obama, first family, ronald kessler, white house critics, white house lawn, white house security breach