AKIPRESS.COM - More than seven million voters have taken part in an opposition-organised referendum in Venezuela, according to academics monitoring the poll, BBC reported.
Voters strongly opposed government plans for a new constituent assembly with the power to scrap the National Assembly and re-write the constitution.
Venezuela is polarised between backers of President Maduro and the opposition, which wants fresh elections.
A nurse was shot dead while queuing to vote in the capital, Caracas.
Men on motorbikes opened fire, killing 61-year-old Xiomara Soledad Scott, and wounding three others.
The opposition blamed a "paramilitary" gang for the shooting, which prosecutors said they would investigate.
Separately, journalist Luis Olavarrieta was kidnapped, robbed and beaten by what he said was a a group of government supporters, but managed to escape.
More than 100 people have died in clashes and protests in Venezuela since April.