NEW YORK -- President Donald Trump's brother was admitted to the hospital in New York City, ABC News learned Friday.

Robert Trump, the president's youngest brother, was described as "very ill," according to sources. The details of his condition are unknown.

Trump is expected to visit his brother, according to a senior administration official. He's already scheduled to visit his nearby country club in Bedminster, New Jersey, on Friday and deliver remarks to the City of New York Police Benevolent Association. Read more at ABC11