What's happening between U.S. and Cuba? Here's a timeline of recent tensions

WASHINGTON (AP) — The United States began ratcheting up pressure on communist-controlled Cuba after the military action in Venezuela early this year resulted in the capture of President Nicolás Maduro.

WATCH LIVE: U.S. expected to announce indictment of former Cuban President Raúl Castro

The Justice Department is preparing to seek an indictment of former Cuban leader Raúl Castro. A criminal charge against Castro would have to be approved by a grand jury and could escalate tensions with Havana.

It would come amid rising tensions this year between President Donald Trump's administration and Cuba's government. Meanwhile, the U.S. is in the midst of an uneasy ceasefire in the U.S. war against Iran.

Here's a closer look at developments over the year between Cuba and the U.S.