The United States has removed Cuba from its list of state sponsors of terrorism.
President Barack Obama announced a historic thaw with Cuba in December, but the US trade embargo against the country remains, and may only be ended by Congress.
The removal has been one of Cuba's key demands, as leaders from both countries have repeatedly met to negotiate the details of restoring diplomatic relations, including the opening of embassies in Washington and Havana.
The action comes as signs of difficulty were seen in recent talks between US and Cuban diplomats.
Read more: US removes Cuba from list of state sponsors of terror - BBC News