THREE people have been arrested after a teenager was injured in an early-hours shooting. Police are now appealing for witnesses and are urging anyone with information to get in touch. A spokesperson said a 17-year-old male was injured when a firearm was discharged in the Mayo Avenue/Rooley Avenue area of Bradford at around 2am yesterday (Sunday). A probe into the incident has been launched.Police said there was a party at a property in the area and officers are also investigating an earlier altercation at the same house – thought to have been at around 11pm on Saturday night. Road closures and extensive police cordons were in place yesterday as enquiries got underway. The boy's injuries are not thought to be life threatening.