Two teenagers have been arrested on suspicion of attempted murder after a 16-year-old boy was shot in the head.
The teenagers, aged 15 and 17, were held after the boy was attacked in Wolverhampton, West Midlands Police said.
Officers were called to Graiseley Street in the Pennfields area just before 8pm on Monday, where they found the teenager with a gunshot wound.
A 20-year-old man has also been arrested on suspicion of assault.
The victim was taken to hospital where he remains in a serious condition.
Inspector Ade George, from the force's CID team, said: "I am appealing directly to anyone who was in the area and saw what happened to contact us if they have not already done so.
“No matter how insignificant you feel the information may be, it could really help with our investigation as we continue to follow forensic and CCTV enquiries."
Anyone with information is asked to contact the force via Live Chat at www.west-midlands.police.uk or to call 101 at any time.
Crimestoppers can be called anonymously on 0800 555 111.
Anyone with information should quote crime reference 20WV/108168F/19 when contacting the police.