This is the hero window cleaner who risked his own life saving injured children in the Southport attack . Marcin Tyjon, 41, even gave CPR to one young victim after Axel Rudakubana had stabbed several people at a Taylor Swift-themed dance party last July. Marcin and his colleague Joel Verite had heard terrifying screams and saw children running down the street in the aftermath of the bloodshed. They ran to Hart Space - where "everyone was screaming" - to help the stricken youngsters. Marcin,