Police are investigating a report of a stabbing near the McDonald's restaurant off Chestnut and North P streets.
Officers were called to the area around 6:15 p.m. Saturday but found no victim or suspects, Livermore Police Sgt. Jason Boberg said.
"We have reason to believe there was a fight, but don't know to what extent," Boberg said.
In addition, police found a small amount of blood at the scene, but nothing consistent with any major trauma, Boberg said.
An investigation is ongoing.
Anyone who saw the incident may contact the Livermore Police Department at 925-371-4900.