U.S. forces have seized an oil tanker off the coast of Venezuela, President Donald Trump said on Wednesday.

“We just seized an oil tanker off the coast of Venezuela,” Trump said at the White House

U.S. crude oil It rose 28 cents, or 0.48%, to $58.53 a barrel. global benchmark Brent It rose 31 cents, or 0.5%, to $62.25 a barrel.

Trump has stepped up pressure on Venezuelan President Nicolas Maduro in recent weeks. The president said in a statement that Maduro’s “days are numbered.” Interviewed by Politico magazine Published Tuesday. He did not rule out the possibility of a ground invasion of the South American country.

“I don’t want to rule it out or rule it out. I’m not going to talk about it,” Trump told Politico.

The White House launched a massive military buildup in the Caribbean and launched controversial deadly attacks on ships allegedly trafficking drugs to the United States

Venezuela is a founding member of OPEC and has the world’s largest proven oil reserves. The country has exported about 749,000 barrels of oil per day this year, at least half of which went to China, according to energy consultancy Kpler.

According to Kpler, Venezuela exports about 132,000 barrels of oil per day to the United States.

“Shippers may be more cautious and hesitant to load Venezuelan crude in the future,” said Kpler oil analyst Matt Smith.