Michael Ortega Casanova is one of four people who were killed after people aboard a U.S.-registered speedboat allegedly opened fire on Cuba's border patrol.

Aboard the Florida-registered vessel, four were killed and six wounded, Cuba said. Secretary of State Marco Rubio said U.S. personnel were not involved and called for an investigation.

Cuba has accused 10 people aboard a US-registered speedboat it intercepted off its coast on Wednesday of planning "an infiltration with terrorist aims". Border guards shot dead four people and injured the other six on the boat, the Cuban interior ministry said, alleging that those on the Florida-registered vessel had fired first.

At least one U.S. citizen was also among the six who were wounded and arrested by Cuban authorities, a U.S. official said.

Four people were killed and six injured when the Cuban government says a Florida-registered speedboat opened fire on Cuban forces in Cuban waters.

U.S. officials denied American involvement and said they did not trust conclusions drawn by Cuban authorities.

A commando of Cuban exiles who intended to infiltrate Cuba on a speedboat was armed with nearly 13,000 rounds of ammunition, 13 rifles and 11 pistols, Cuban officials said on Friday, providing new details about Wednesday's deadly exchange of gunfire at sea.

Secretary of State Marco Rubio says U.S. officials are investigating the "highly unusual" incident involving a vessel the Cuban government says was registered in Florida.

Cuba said its forces fatally shot four heavily armed people attempting to “infiltrate” its territory on a Florida-registered speedboat on Wednesday, amid simmering tensions between the communist island and the US.

The Cuban government says its troops exchanged gunfire with a Florida-registered speedboat of armed Cuban expatriates, killing four people and wounding six. Cuban officials say the boat neared

The speedboat carrying 10 armed Cubans from the U.S — now part of a widening investigation by both the U.S. and Cuban government — was reported stolen from a Big Pine Key dock by its owner who learned it was missing from the media,