Video: The scene of the attack was cordoned off by police
Five people have now been arrested in connection with the stabbing of two teenagers in the Arboretum on Monday.
Both victims, aged 15 and 18, were seriously hurt in the attack on North Sherwood Street, close to the east entrance to the Arboretum.
Notts Police said a total of five people have now been arrested in connection with the incident.
The force said on Wednesday a 16-year-old and an 18-year-old had been detained on suspicion of violent disorder.
On Tuesday officers had said two other 18-year-olds had been arrested for violent disorder. They also detained a 14-year-old on suspicion of affray.
All five have now been bailed pending further enquires. Both victims remain at the QMC in a stable condition.
Det Insp Kaz Smithson said: “Nottinghamshire Police takes any incident involving knives extremely seriously.
“Investigations into this offence are on-going but the incident is being treated as an isolated incident following a dispute between two individuals.
“We would urge anyone with information about this incident or anyone with information about anybody carrying knives to call Nottinghamshire Police on 101 – always call 999 in an emergency.”
