Police in Shropshire have confirmed the found a knife in the vicinity of where the bodies were found will be forensically examined.
A murder investigation is underway after the bodies of Ceri Fuller and his three children, Sam, Becka and Charlotte, were discovered in a disused quarry at near Shrewsbury.
The grandfather of the four members of a Gloucestershire family found dead in a disused Shropshire quarry has written a heartfelt letter.
Test results are due back today confirming how three children and their father died at a beauty spot in Shropshire.
Tributes have been paid to three children found dead at a beauty spot in Shropshire.