Maria Corina Machado, the most prominent figure in the country’s opposition movement, argued the measures are needed to stop government repression.

In a press conference today, Williams said they have a mission and every day is interesting because they're up in space but that it's hard having family on the ground not knowing exactly when they're coming back.

The United States on Tuesday gave energy giant Chevron just one month to stop its operations in Venezuela, delivering a heavy blow to cash-strapped authorities in Caracas.