A 19-year-old man has admitted shooting dead his mother and two siblings at a tower block.
Juliana Prosper, 48, Kyle Prosper, 16, and Giselle Prosper, 13, were found deceased at their home on the Marsh Farm estate in Luton on 13 September.
Nicholas Prosper, of Leabank in Luton, pleaded guilty to three counts of murder at Luton Crown Court on Monday.
He also pleaded guilty to purchasing or acquiring a shotgun without a certificate, possessing a firearm with intent to endanger life and possessing an article with a blade or point.