Police are still investigating if the shooting of a teenage girl and a 21-year-old man are linked.
On Tuesday, March 1, at around 5.10pm it was reported that a 15-year-old girl was shot at a bus stop in Toxteth.
Emergency services attended the scene, on Upper Warwick Street, and found the victim with serious injuries.
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A short time after police were called to the Toxteth shooting, a 21 year old-man turned up at hospital with a gunshot injury to his hand, which is not life threatening.
Speaking at a press conference, Detective Chief Superintendent Mark Kameen said: "One of our lines of enquiry at this time, while keeping an open mind, is that these two incidents are connected.
"It is still, and I have to reassure everyone, very early days in this investigation, however we are working incredibly hard, late into the night and from the early hours of the morning to ensure that this investigation has the absolute traction that it definitely requires."
The girl was taken to hospital for treatment where her condition is now being described as serious but stable.
Detective Chief Superintendent Mark Kameen added that she suffered 'devastating' injuries to her upper body and that it is a 'miracle' that she survived.
A short time later, a 21-year-old man, turned up at hospital with a gunshot injury to his hand. The injury was not life threatening.
A 21-year-old man has been arrested on suspicion of attempted murder and possession of a firearm with intent to endanger life.
A 60-year-old man from Toxteth has now also been arrested on suspicion of assisting an offender.
Police believe the shots were fired by "one or more people" travelling on what are believed to have been electric bikes.
All of the individuals on the bikes are said to have had their faces covered and left the scene towards the North Hill Street or Princes Road.
Police remain at the scene and on nearby roads today carrying out house-to-house, forensic and CCTV enquiries.
Anyone with information is being urged to DM @MerPolCC or @CrimestoppersUK on 0800 555 111 anonymously quoting log 647 of 1 March.
After the shooting last night, Chief Inspector Col Rooney said: "The investigation is in the very early stages as we seek to establish what has taken place and who was involved.
"While I understand this is a shocking incident for the local community we have a large police presence in the area carrying out a number of lines of enquiry and I would encourage people to come forward and tell us what they know.
"I would ask anyone who was in the area of Upper Warwick Street around 5.10pm this evening who saw or heard anything suspicious or thinks they have captured anything significant on their mobile phone, dashcam or Ring doorbell to contact us as a matter of urgency.
"There is no room for guns on the streets of Merseyside and we will do everything we can to find the person or people responsible for this incident and bring them to justice."