Police were called to Street Lane, Leeds around 1.15pm on 5 August 2016, following reports of a stabbing.
Officers attended, and a 32-year-old man was treated at the scene by paramedics for facial injuries, before being taken to hospital – His injuries are not believed to be life-threatening.
Police say enquiries are at an early stage and are continuing.
Anyone with any information is asked to speak to Leeds Police via 101, quoting 0767 of 5 Aug 2016