Emergency services were called to reports that a baby had been attacked by a dog in Marian Gardens in Bootle today (Sunday 7 February).
At around 1.25pm police received reports that a 17 month old baby boy was bitten on the leg by a dog.
The baby has been taken to hospital by air ambulance to be treated for a non-life threatening leg injury.
The dog has been seized and its owner will be questioned by police.
Enquiries into the incident are ongoing.
Anyone with information is asked to contact @MerPolCC on Twitter, 'Merseyside Police Contact Centre' on Facebook, call 101 or the independent charity @CrimestoppersUK anonymously, on 0800 555 111, with reference 21000082136.