Knife crime: The mums whose lives have been 'ripped apart'
The number of fatal stabbings in England and Wales is at its highest level since records began in 1946.
Women who have lost their sons to knife crime told the BBC's Victoria Derbyshire about the pain it has caused.
Watch the Victoria Derbyshire programme on BBC Two and BBC News Channel, 10:00 to 11:00 GMT - and see more of our stories here.