*Singer Bruno Mars, whose vocals are heard on B.o.B.’s breakout single “Nothin’ on You,” has reportedly been arrested in Las Vegas on suspicion of possessing narcotics.

According to the Las Vegas Review-Journal, the 23-year-old crooner was taken into custody in the early hours of Sunday morning at the Hard Rock.

The publication reports that Mars was found with narcotics when security approached him in a bathroom at the venue.

Authorities have yet to release any further details about the incident or what narcotics that Mars – real name Peter Hernandez – is alleged to have had in his possession.

Below, Bruno Mars’ solo debut, “Just The Way You Are.”