A woman who found out her son had been murdered on Mother's Day said her reality had been "shattered" by knife crime.
Father-of-one Joshua Barr, 31, was stabbed multiple times and found collapsed in Ferrars Way, Cambridge, at about 05:00 GMT on Sunday,10 March.
Tyler Marshall, 20, of no fixed address, and Cameron Stokes, 23 of Highfield Close in South Glamorgan, were given life sentences for killing him earlier this week.
The woman, who wanted to remain anonymous, said: "Where I once saw the world in colour, I now only see it in black and white."