Police have cordoned off part of Lincoln Road in Peterborough this morning, Wednesday May 18, after a man was stabbed.
Officers are at the scene of the attack between Geneva Street and North Street after the incident at 12.15am today.
A man in his 20s received serious but not life threatening injuries and was taken to Peterborough City Hospital.
Six men were arrested on suspicion of assault, causing grievous bodily harm, and taken to Thorpe Wood Police Station where they remain.
Those arrested are a 45-year-old man from Wisbech, a 24-year-old man from Peterborough, a 25-year-old man of no fixed address, a 20-year-old man from Peterborough, a 21-year-old man from Corby and a 21-year-old man from Peterborough.
Anyone with information should call the police on 101 or Crimestoppers anonymously on 0800 555 111 or through their anonymous online form at www.crimestoppers-uk.org.