Justin Bieber allegedly punched a man who he saw grab a woman “by the throat,” at Coachella over the weekend.

According to TMZ, Bieber and a friend were at a party during the California music festival Saturday when an unidentified man walked in and assaulted a woman who appeared to be the individual’s ex-girlfriend. The “Sorry” singer and his friend stepped in and screamed at the man to let go, the gossip site stated.

Bieber “hit the man in the face and pushed him against the wall,” TMZ reported. The woman was reportedly able to get away from the man’s grip.

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The La Quinta Police Department told PEOPLE Magazine a woman said Bieber was “involved in this incident,” but officers did not receive witness reports or statements to confirm the singer’s involvement.

“Investigating officers responded to the residence where the alleged battery occurred but were unable to locate any witnesses or evidence of a battery,” the statement obtained by People read.

The woman also declined to press charges and did not appear to have any visible injuries when police arrived.