Police have been given more time to question three men arrested in connection with the murder of nine-year-old Olivia Pratt-Korbel.
Those being questioned are a 34-year-old man arrested on suspicion of murder and attempted murder, and two other men aged 41 and 29 who are suspected of assisting an offender.
Detectives have been given a further 36 hours to question them.
A fourth man, also 34, who was arrested on the M42 in the Midlands on Sunday night, is still being interviewed on suspicion of assisting an offender.
Detective Chief Superintendent Mark Kameen said: “I continue to urge anyone who has information that can help our investigation into Olivia’s tragic murder to please come forward, so we can bring those responsible to justice.
“A number of people have been arrested in respect of this investigation. However, we still need the public’s help in ensuring that we can a build a strong evidential picture, so justice is served for Olivia and her family.
“With this, I appeal for those who may have information, no matter how small, that could continue to help our inquiries to contact us directly or anonymously, and we will do the rest.”
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Olivia died after being shot in her home in the Dovecot area of Liverpool when a gunman chased Joseph Nee, a convicted burglar, into the property at about 10pm on 22 August.
Her mother, Cheryl Korbel, was also injured.
