A man has been arrested in connection with the shooting of 26-year-old Elle Edwards outside a pub on Christmas Eve.
Merseyside Police said they arrested a 20-year-old man on suspicion of conspiracy to murder and assisting an offender in the Barnston area of Wirral.
He has been taken to a police station for questioning.
Connor Chapman, 22, has already been charged with murdering Ms Edwards and a trial date has been scheduled for 7 June.
Ms Edwards was celebrating with friends when a gunman opened fire at the Lighthouse pub in Wallasey Village, Wirral, shortly before midnight.
She is not believed to have been the intended target of the attack, which also injured four men.
Hundreds of mourners gathered for her funeral yesterday at St Nicholas Church in Wallasey.
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The funeral cortege was led by a hearse with a tribute of flowers that read “Elle”, while her coffin was brought in a carriage pulled by four white horses.
The order of service asked for donations to the Elle Edwards Foundation in her memory.
In an interview with Sky News last week, her father Tim Edwards said: “She was beautiful looking and she was a great hugger. She was just a fantastic human being with a heart of gold.”
Mr Edwards said he hoped the foundation would combat gun violence in the region.
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The Lighthouse pub was also closed as a mark of respect, with flowers left at the entrance.
A statement on the pub’s Facebook page said: “Elle and her family have remained very much in our thoughts over these past few weeks and even more so right now.
“May she rest in peace.”