The mother of a four-year-old boy from Kettering, lost at sea says she is "devastated" but told ITV News she will stay in Burnham-on-Sea for "as long as it takes" until her son is found.
Dylan Cecil was on holiday with his family when he walked on to the jetty in Burnham-on-Sea, Somerset, to get a closer look at the sea.
But he slipped off the side and disappeared beneath the muddy water at around 6pm on Sunday.
His parents desperately tried to rescue him, but were unable to reach their son and had to be pulled from the water by passers-by.
Rachel McCollum says she "just can't rest at the moment until he's back."
"I haven't got closure, he's still lost. What can I do?"
She described the last time she saw her son:
For more on this story read here: