US Senator raises blackmail concerns after Secret Service scandal

Several groups of American Secret Service employees visited clubs, bars and brothels in Colombia and engaged in "morally repugnant" behaviour before a visit by President Barack Obama, a US senator has alleged.

Several groups of American Secret Service employees visited clubs, bars and brothels in Colombia and engaged in "morally repugnant" behaviour before a visit by President Barack Obama, a US senator has said.

Susan Collins said the agents' actions in the prostitution scandal could have provided a foreign intelligence service, drug cartels or other criminals with opportunities for blackmail that could have threatened the president's safety.