Vice President Nicolas Maduro is saying there is a military conspiracy against Venezuela.
Speaking during a televised cabinet meeting, he said he has given an American diplomat 24 hours to leave the country because he was plotting against the government.
He added that "special measures" are being taken to counter sabotage.
More top news
Five NHS trusts in the Midlands have come under fire after it emerged bosses were sitting on more than £134 million of spare cash.
A factory worker's faithful friends saved his life by lying with him to keep him warm when he fell into a diabetic coma in the freezing cold
A British military healthcare worker is being monitored at the Royal Free Hospital following a needle-stick injury in Sierra Leone.