A manhunt is underway in Bristol after two serious incidents last month.
Officers are searching for Kieran Williams, 18, in connection with two seperate incidents in the city in which a "shotgun was discharged" and a 17-year-old was stabbed.
A reward of up to £3,000 has been offered for information on the whereabouts of Williams.
A statement from Crimestoppers reads: "There is a reward of up to £3,000 for key information on Kieran Williams.
"Williams is wanted in connection with an incident in which a shotgun was discharged from a vehicle in Hartcliffe, Bristol on May 19, and a separate incident in which a 17-year-old boy was stabbed in Brislington, Bristol on May 29."
Avon and Somerset Constabulary have previously warned the public not to approach Williams if they see him.
The police are urging residents to call 999 if he is spotted.
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