POMONA (CBSLA.com)  —  Two suspects were arrested after an exchange of at least two different exchanges of gunfire stemming from the same Pomona house party, police said.

Officials said they also recovered a “large amount of physical evidence” in the vicinity of the party.

READ MORE: Mountain Biker Rescued After Falling Into A Canyon At Mt. Wilson Today

The gunfire was reported within minutes of each other, Pomona police said Sunday.

Just before 11:20 p.m. Saturday, officers overheard an exchange of gunfire in the area of Weber Avenue and Pavilion Drive. Around this same time, several 911 calls reported gunfire at 1159 Pavilion Drive, where there was a large house party taking place.

Witnesses said several young adults ran from the location, according to a news statement from the Pomona Police Department.

READ MORE: Lakers Welcome Back Fans At Staples Center, Hosting Boston Celtics Thursday

Officers were told there was a fight in front of the home and at some point someone pulled out a handgun and began firing, according to the statement.

Authorities said  witnesses weren’t terribly forthcoming with information. “The preliminary investigation was completed and officers departed,” the statement said.

An officer providing extra patrol in the area overheard more gunfire in the 1100 block of Pavilion Drive.

Upon arrival, in the neighborhood officers were able to obtain suspect information on this and the previous incident.

MORE NEWS: Huntington City School District Employee Arrested For Lewd Acts With Minor

(©2014 CBS Local Media, a division of CBS Radio Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Wire services contributed to this report.)