Three more people have been arrested over the fatal shooting of a young woman from a passing car.
Aya Hachem, 19, was found with a wound to her chest near a supermarket in King Street, Blackburn on Sunday.
Two men, aged 31 and 35, are being held on suspicion of murder and a 29-year-old man on suspicion of assisting an offender.
It follows earlier arrests of three men from Blackburn, aged 33, 36, and 39 who remain in custody.
The new arrests were made in the Blackburn area on Tuesday evening, Lancashire Police said.
Ms Hachem was out shopping at about 15:00 BST on Sunday when she was hit by one of several shots fired from a car.
Deputy Chief Constable Terry Woods of Lancashire Police said the “completely innocent” law student had not been the intended target.
A Toyota Avensis, believed to have been used in the shooting, was later found abandoned in Wellington Road.
Her parents said she was the “most loyal devoted daughter” who “dreamed of becoming a solicitor”.
The Lebanese-born teenager – a second year student at the University of Salford – was also a young trustee for the Children’s Society.
The charity’s chief executive Mark Russell said: “She was bright, passionate, hard-working, ambitious.
“It’s a complete tragedy that her life has been cut short.”
Her former head teacher described as a “wonderful young lady who had so much to offer”.
Diane Atkinson, executive head of Blackburn Central High School, said: “She fled a war-torn zone as a refugee and came to the UK looking for a better life.
Ms Hachem arrived at the school as a 12-year-old “with very little English” but “picked it up very quickly”.
She was a “very intelligent young lady” who had “great aspirations to help other people” and “worked incredibly hard to become the very, very best person she could be”, Ms Atkinson said.
A post-mortem examination revealed the teenager died as a result of a single gunshot wound to her chest.
Lancashire Police said her death was not being treated as a terrorism-related or racially-motivated incident.