A group representing the families of murder and manslaughter victims has called on the Government to bring about changes that would mean killers are not eligible for parole until their minimum sentence has been served.

"How do I live with the knowledge of their last moments? How scared they must have been. Did they cry for me? Did they scream? Did they know what was happening?

"Sanj did not have to bury his children, I did. I stood by that graveside as two white coffins with my whole life in them were laid side by side — big boys now but always my babies."

Sanjeev Chada was “deeply loved” by his wife Kathleen, regarded locally as a friendly, gentle, quiet man who was extremely close to his two sons.

Detectives in two counties are investigating the deaths of two children found dead in a car driven by their father.