US-Cuba

Trump will stop short of closing embassies or breaking diplomatic relations restored in 2015

Says private enterprise will evolve within defined limits

The US president made the announcement on his official Twitter account

Restrictions would be eased which would allow exports and authorized airline travel

Three retired Marines who last lowered the flag in 1961 participated in the ceremony

The flag itself will not be the same one taken down 54 years ago, a State Department source said