'How could this be happening?': Grief in Tallaght as Chelsea, Christy and Lisa laid to rest

The coffins of Lisa Cash, 18, and her eight-year-old twin siblings, Christy and Chelsea Cawley, are carried from St Aidan's Church, Brookfield, Tallaght, following their funeral service. Picture: Brian Lawless/PA Wire

“Bereft of words, all of us hold the same question: How could this be happening?” Those remarks read out by Father Paul O’Driscoll at the funeral of twins Christy and Chelsea Cawley, eight, and their sister Lisa Cash, 18, on Friday went to the heart of the matter.

How could it be happening that dozens of children put on t-shirts this morning bearing photos of their late classmates with the message “our little angels”?