Live from ABC News headquarters in New York City.

This is Good Morning America.

A major escalation in President Trump's pressure campaign against Venezuela and its leader.

The U.S. sees an oil tanker off the coast of the South American country.

Chief Global Affairs anchor Martha Radd.

It starts us off.

Good morning, Martha.

Good morning, George.

The Venezuelan government is calling the seizure a blatant theft and an act

of international piracy. But whatever you call it, there is no question that this is a major

escalation in an already volatile standoff.

This morning, extraordinary video released by the Trump administration showing the seizure

of an oil tanker off of Venezuela, a dramatic escalation in President Trump's effort to pressure

Venezuelan President Nicolas Maduro.

Watch as U.S. Navy helicopters swarmed the tanker, one hovering over the ship as a team of heavily armed

Coast Guard forces repelled down to the deck. President Trump announcing the seizure hours later.

We've just seized a tanker on the coast of Venezuela, a large tanker, very large.

Largest one ever seized, actually. on the coast of Venezuela, a large tanker, very large.

Largest one ever seized, actually.

And other things are happening.

This is the first time President Trump has overtly targeted Venezuela's oil exports,

the government's main source of revenue.

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