Venezuela has announced the expulsion of three US diplomats, whom it has accused of plotting to sabotage the economy. President Nicolas Maduro said the diplomats have 48 hours to leave the country. Mr Maduro said he has evidence that the trio took part in a power-grid sabotage in September and had bribed Venezuelan companies to cut down production. The US and Venezuela have been without ambassadors in each other's capitals since 2010.The United States embassy, in a statement, has rejected the Venezuelan government's allegations.