Donald Trump said soldiers had been deployed in Central Africa ahead of possible "violent protests" in the Congo because of Sunday's presidential election results.
In a message to House Speaker Nancy Pelosi, Trump said about 80 soldiers and "appropriate combat equipment" had been deployed in neighboring Gabon to enhance the safety of US citizens as well as personnel and facilities. in Congo.
Congo faces what may be the first democratic transition to peaceful power since Belgium's independence in 1960, but election observers and the opposition have expressed concerns about the irregularities in voting.
The powerful Catholic church said its data showed a clear winner, angering the ruling party in Congo.