Federal prosecutors expect to unseal an indictment against Castro, 94, in Miami on May 20, based on a 1996 incident in which Cuban jets shot down planes operated by a group of Cuban exiles.

The US is ramping up pressure on Cuba’s government, preparing an indictment against former President Raúl Castro, according to sources, as Washington demands reforms from the…

The potential indictment — which must be approved by a grand jury — is expected to focus on Cuba's 1996 downing of two planes operated by a humanitarian group.