Half a million elderly people in the UK are suffering some form of abuse or neglect, according to Help the Aged.
A major survey by the charity claims they face physical, emotional, sexual or financial mistreatment.
But campaigners say that, despite the size of the problem, more than one-third of people have never heard of elder abuse.
And a quarter of those questioned admitted they would not know how to spot if an older person was suffering.
‘Half a million’ elderly abused