Nicolás Maduro’s regime on Friday released six American citizens imprisoned in Venezuela after the strongman met in Caracas with President Donald Trump’s special envoy, Richard Grenell.

The visit by U.S. envoy came as a shock to many Venezuelans who hoped that Presiden Trump would continue the “maximum pressure” campaign he pursued against Nicolás Maduro during his first term.

Richard Grenell, United State Venezuela, will meet on Friday Nicolás Maduro, who recently took office for a third term after a controversial re-election, US Special Envoy for Latin America Mauricio Claver-Carone confirmed.