Military tensions are escalating in the Caribbean Sea, as the US deploys the world's largest warship to counter drug-traffickers.

The US says it has killed dozens of people in strikes on small vessels from Venezuela which it alleges carry 'narcotics' and 'narco-terrorists.'

But US correspondent Dan Mitchinson says Venezuela's fighting back.

"The President of Venezuela, who's accusing the US of 'fabricating' this new war - but yet, we see the drug trail kind of leads back there as well."

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