Police were called to the scene, outside St John The Baptist & St Anthony Greek Orthodox Church, Sussex Way in Holloway by paramedics at 2.10pm yesterday the 18th of April 2017.
The victim was taken to hospital but his injuries are not believed to be life-threatening or life-changing.
Sussex Way remained taped off while officers deal with the situation.
No arrests have been made. Anyone with information should contact police on 101 or @MetCC. Alternatively, contact Crimestoppers, anonymously, on 0800 555 111 or online at www.crimestoppers-uk.org.