A shooter still on the loose claimed at least four lives when authorities say they opened fire on a banquet hall in Stockton, California, Saturday night during a birthday party

Known gang members and two local rappers attended a children's birthday party that left four people dead in Stockton, including three children. Sheriff officials say they're exploring all possible motives.

"Every day, he would tell me, 'Dad, I love you. Dad, I appreciate you.' Every night, every morning, that boy would tell me he loved me," heartbroken father Patrick Peterson said, remembering his 14-year-old son Amari killed in the Stockton,

Four were killed, and 11 were injured during the Saturday-night mass shooting in Stockton. Authorities are still searching for a suspect.

Fragments of joy disrupted by violence were all that remained outside the Stockton hall as authorities continued searching for suspects in a shooting that killed four people, three of them children.

Three children ages 8, 9 and 14 and a 21-year-old were killed in the hall where at least 100 people were gathered, San Joaquin County Sheriff Patrick Withrow said.

Gunfire erupted during a toddler’s birthday party in Stockton, California, killing three children and injuring 11 others.

The FBI offered a $50,000 reward as a manhunt continues for Stockton, California, shooting suspects who killed 4 at a child's birthday party on Saturday.