A child is fighting for life while another has been left with devastating injuries after a horror dog attack.
The two youngsters have been raced to hospital following the attack at around 3.10pm in Colchester, Essex.
Police and ambulance crews were called to the house where they found the youngsters suffering from bite injuries.
The pair were rushed to Colchester General Hospital for treatment – one suffered what medics have called life-threatening injuries and the other has life-changing injuries.
Police have seized the dog although it is not known what breed the animal is at this stage.
It is understood an adult was also injured in the attack and is also in hospital.
A spokesman for the East of England Ambulance Service said: “We received a call today at 3.08pm to reports of a serious incident in Colchester.
“We dispatched three ambulances, a rapid response vehicle, an ambulance officer, and an air ambulance from the Essex and Herts Air Ambulance Trust.
“At the scene two young children were treated by crews, one for life-threatening injuries, and the other for life-changing injuries.
“Both have been taken Colchester General Hospital via land ambulance in serious conditions.”
An Essex Police spokesman confirmed: “Police were called to an address in Harwich Road at around 3.10pm today to reports of someone being bitten by a dog.
“Officers attended and discovered three people had been injured.
“They were taken to hospital for treatment. The dog has been recovered by police.”