4 dead, 6 injured after unknown shooter opened fire at a backyard football watch party in Fresno, California

At least four people were killed and six others were injured on Sunday evening after unknown gunmen opened fire at a backyard football viewing party in Fresno, California, police confirmed.Officers said the victims were gathered in a backyard to watch a football game."Unknown suspects" sneaked in, opened fire, then fled in a vehicle, officers said. They have not been apprehended.Lt. Bill Dooley of Fresno Police described the event as a "mass casualty shooting" and said victims in the hospital range from "critical" to "stable" condition.Visit Business Insider's homepage for more stories.At least four people were killed and six others were injured on Sunday evening after unknown gunmen opened fire at a backyard football viewing party in Fresno, California.Fresno police say at least 10 people were shot just before 6 p.m. in the backyard of a home in southeast Fresno, accordingto The Fresno Bee. Police say "unknown suspects" remain at large.Lt. Bill Dooley of Fresno Police described the event in a press conference as a "mass casualty shooting.""What we do know is that this was a gathering, a family and friend gathering in the backyard," he said. "Everyone was watching football this evening when unknown suspects approached the residence, snuck into the backyard and opened fire."Dooley said victims are in the hospital and range from "critical" to "critical but stable" condition. He added that they have no information on the suspects or the vehicle used to flee after the shooting.Earlier on Sunday, a man in his 20s was shot dead in a southeast Fresno apartment complex. Neighbors reported that a party was being held at the time. According to the Fresno Bee, police have not yet said whether the incidents are connected.This is a developing story.Join the conversation about this storyNOW WATCH: Here's how to escape a flooding vehicle
Click here to read full news..