The dispute centers on a 2007 incident in San Pedro involving a man's arrest at a DoubleTree hotel.

CNN: Manhunt continues for ex-cop wanted in 3 deaths

Officers, detectives and investigators with several units of the New York Police Department returned to the basement of a West Broadway shop where a New Jersey man, Pedro Hernandez, is charged with strangling the boy before disposing of his body in a garbage bag outside, according to a law-enforcement official with knowledge of the search.

WSJ: New Search in Etan Patz Probe

In his speech on Friday, Mr Maduro promised a "revolution within the revolution" and compared Mr Capriles to the man installed as president of Venezuela during a short-lived 2002 coup against Chavez, Pedro Carmona.

BBC: Venezuela election official plays down vote audit