Solomone Taufeulungaki

Solomone, 15, died after being fatally stabbed in the chest during a fight near the Brimbank Shopping Centre, near Deer Park in Melbourne's west, last Tuesday night.

ABC News reports six boys between the ages of 13 and 16 have been charged with violent disorder and affray, but no one has yet been charged with his murder.

On Tuesday, one of the boys accused of participating in the attack faced a children's court and was granted bail, which police and prosecutors did not oppose.

Victoria Police on Sunday asked gang members involved in the Deer Park killing to look within their own consciences and help them identify the person who stabbed the teenager.

The 15-year-old died on Tuesday last week after he and his cousin were allegedly approached by a group of about 10 youths armed with knives near Brimbank Shopping Centre.

Seven boys, aged between 13 and 16, have been charged with violent disorder and affray but no one has yet been charged with Solomone's death.

Solomone Taufeulungaki was walking with his cousin when a group of up to 10 people ran towards them near the Brimbank Shopping Centre on Tuesday.

The group then set upon Solomone and he was fatally stabbed during a brawl.

While no-one has been charged over his death, six boys aged between 13 and 16 fronted a children's court on violent disorder and affray charges on Wednesday.

Members of the boy's family held a vigil and prayers at the site he was killed, leaving flowers to commemorate him.

They have repeatedly called for peace and forgiveness.

The teen's friend, Veni Atonio, led the group in a prayer.

"We have to have love," he said.

He described their friend, who they knew as Solo, as "a humble man".

ABC News reports the captain of the teenager's school, Poasa Telepe, urged the crowd not to seek revenge for Solo's death.

"These gangs need to stop. This fighting needs to stop," he said.