Salford. The incident took place in Eccles town centre last Thursday (October 1) and left the victim with "serious, potentially life-changing" injuries.
Officers are searching for Eccles man Robert Wolfe, 31, in connection with the stabbing. Wolfe is also known to have links to Weaste and Ordsall.
Anybody with information regarding the whereabouts of Robert Wolfe is asked to contact police on 0161 856 5351 or the independent charity, Crimestoppers, anonymously on 0800 555 111.
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