The NBA is investigating whether racially insensitive comments in an audio recording obtained by TMZ were made by Los Angeles Clippers owner Donald Sterling.

“The remarks heard on the recording are disturbing and offensive, but at this time we have no further information,” NBA executive vice president of communication Mike Bass said. He also said the league is conducting a “full investigation.”

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The players union is also looking into the situation, according to president Chris Paul, who is also the Clippers point guard.

“On behalf of the National Basketball Players Association, this is a very serious issue which we will address aggressively,” Paul said in a statement. “We have asked Mayor Kevin Johnson to expand his responsibilities with the NBPA, to determine our response and our next steps. As players, we owe it to our teams and our fans to keep our focus on our game, the playoffs, and the drive to the Finals.”

Sacramento mayor Kevin Johnson, who is helping the union find its next executive director, called for an investigation and possible punishment.

“The reported comments made by Clippers owner Donald Sterling are reprehensible and unacceptable,” Johnson said in a statement. “The National Basketball Players Association must and will play a very active role in determining how this issue is addressed.

“The NAACP was preparing to give him a life time service award, it raises the question, why would they consider a person of his character for the award? Whats was the motivational factor in their decision? Vere Isaac”