File photo.

Long Beach police were investigating separate shooting and stabbing calls that took place Friday night in Central Long Beach. Two men were found injured in the stabbing incident, police said.

Officers responded to a report of shots being fired in the 1400 block of Chestnut Avenue at about 9:50 p.m. Police found bullet casings at the crime scene, but there were no victims.

A building and an unoccupied vehicle were struck, police said.

Several minutes later, officers responded to a call about a stabbing at MacArthur Park. They found two men with stab wounds to the upper torso, police said.

The victims were transported to a local with non-life threatening wounds, police said.

A preliminary investigation revealed that both men got into a verbal argument, which escalated to them both stabbing each other, according to police.

The relationship and motive between both subjects is unknown as of press time, police said.