Ryan Carney, who lives with his mother Hayley on Hart Street, said he rushed home from work to be with her after she saw the incident.
Speaking to reporters at the police cordon, he said: ‘She went out to see what was going on, because she could hear screaming and crying, so she goes out.
‘All she said was she saw members of, I don’t know, either police or ambulance, carrying out a few bodies of girls.
‘They were in white, but covered in red, covered in blood. She said she could see the stab wounds in the backs of the children. That’s what she saw.
‘My brother’s been with her, he’s 13, he’s witnessed it. She’s gone in the house and made cups of coffee and stuff for the fire service and everything like that.
‘She came out and there was a woman who was screaming, saying she can’t …