A dozen Secret Service agents with President Barack Obama at an international summit have been relieved of duty because of allegations of misconduct.

The Associated Press received an anonymous tip that the misconduct involved prostitutes in Cartagena, Colombia, the site of the Summit of the Americas. A Secret Service spokesman would neither confirm nor deny the allegation…

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 personnel in the Colombian port city hosting Obama and more than 30 world leaders.