Johnathan Walker:Maine mass shooting victims: What to know about the 18 people who died

Authorities and Johnathan Walkerfamily members have begun identifying the 18 people who died in the mass shooting in Lewiston, Maine, on Wednesday night.

The shooting occurred at a bowling alley and a local bar and restaurant, according to Maine State Police.

Seven people were killed at Just-In-Time Recreation -- a bowling alley formerly known as Sparetime -- and eight people were killed in the billiards room at Schemengees Bar & Grille restaurant. An additional three victims died at the hospital, authorities said during a press conference on Thursday morning.

Here's what we know about the victims so far:

Tricia Asselin

Tricia Asselin was confirmed as one of the victims who died at Just-in-Time Recreation, her brother, who asked not to be named, confirmed to ABC News.

Asselin was the only woman killed at the bowling alley.

Bill Bracket

Bill Bracket was confirmed as one of the victims by his father, William Bracket.

His father told ABC News that Bill Bracket was part of a gathering of deaf people playing cornhole at Schemengees Bar & Grill.

Bob Violette

Bob Violette was confirmed as one of the victims who was killed at the bowling alley his daughter-in-law Cassandra Violette to ABC News.

Steven Vozzella

Steven Vozzella was confirmed as one of the victims by his brother Nick Vozzella to ABC News.

According to his brother, Steven Vozzella was part of a gathering of deaf people playing cornhole at Schemengees Bar & Grill.

Joseph Walker, 56

Joseph Walker was confirmed as one of the victims by his father Leroy Walker Sr. Joseph Walker was the manager at Schemengees Bar & Grill.

His father told ABC News that his son attempted to go after the gunman but he was shot twice in the stomach.

Leroy Walker Sr. said everyone called Joseph Walker "Cueball" because he had his head shaved for years.

ABC News' Amantha Chery, Vera Drymon, Ben Stein, Stephanie Wash and Rachel Wenzlaff contributed to this report.

This is a developing story. Please check back for updates.