Someone called the University of Maryland Monday, saying a man was driving to the school to shoot President Obama's niece, a member of the Princeton basketball team scheduled to play there later in the day, the university said.
Maryland officials posted extra security at the NCAA tournament game Monday evening, according to a statement from the school police department.
According to the statement, campus police received a call at approximately 3 p.m. from a woman saying that she had received a text from a third party indicating that a male that she knew had a gun and mentioned president Obama's niece, Leslie Robinson, the daughter of Michelle Obama's brother.
UMPD officers began an immediate investigation into the call and notified the Secret Service, the school said.
"Our investigation reveals at this time that these details that were passed on from this third party are unsubstantiated," UMPD Major Marc Limansky said in the statement.
The game was played tonight without incident.
A law enforcement official familiar with the investigation told ABC News police were able to run the alleged threat down to the source and there is essentially no threat. The source said it was clear pretty early on that there was no threat, but they had additional man power and stepped up security out of an abundance of caution.
The Secret Service is aware of the threat and will conduct appropriate follow-up, according to Secret Service Public Affairs.
ABC News' Jack Date contributed to this report.