The Associated Press received

The Associated Press received an anonymous louis vuitton outlet tip that the misconduct involved prostitutes in Cartagena, the site of the Summit of the Americas. A Secret Service spokesman would neither confirm nor deny the allegation today. A US official, who requested anonymity, put the number of agents at 12. The agency was not releasing the number of personnel involved. The incident threatened to overshadow Mr Obama's economic and trade agenda at the summit and embarrass the US. The White House had no comment. Secret Service spokesman Ed Donovan would not confirm that prostitution was involved, saying only that there had been "allegations of misconduct" made against Secret Service staff in the Colombian port city hosting Mr Obama and more than 30 world leaders. Mr Donovan said the allegations of misconduct were related to activity before the president's arrival on Friday night. Mr Obama attended a leaders' dinner at Cartagena's louis vuitton belts historic Spanish fortress and will attend summit meetings with regional leaders. Those involved had been sent back to their permanent place of duty and were being replaced by other agency staff, Mr Donovan said. The matter was turned over to the agency's Office of Professional Responsibility, which handles the agency's internal affairs. "These personnel changes will not affect the comprehensive security plan that has been prepared in advance of the president's trip," Mr Donovan said. Separately, three explosions went off as western hemisphere leaders arrived for the summit. Colombian officials said there were no injuries or damage reported Two of the low-intensity blasts occurred in Cartagena classic louis vuitton sunglasses discount pink 2012 new arrival for women where the summit is being held and one was close to the US embassy in Bogota.