By 11 a.m., bulldozers had built a massive mound of rocks and debris along the deep end while some scrubbed the bottom by hand.

Sunday was like any hot summer day at the pool at the Bellows Farms condominium complex in Acton, Massachusetts, when suddenly, a 5-year-old boy lost his flotation devices and sank to the bottom of ...

Firefighters did what’s called a grid search in the pool and eventually found Favorite’s lifeless body at the bottom of the deep end of the pool. Police said Favorite was in swim clothes.

The 5-year-old boy lost his flotation devices and sank to the bottom of the deep end.

The 5-year-old boy lost his flotation devices and sank to the bottom of the deep end.