Sgt. Edward Fandrey

A makeshift memorial sits outside the Central Islip home of Ralph Knowles, 5, and Sharon Knowles, 7 on Monday, April 15, 2013. Police say the two drowned in a neighbor's pool. (credit: Alex Silverman/WCBS 880)

Police Investigating Drowning Deaths Of L.I. Brother, Sister

A makeshift memorial is growing outside the home of Ralph Knowles, 5, and Sharon Knowles, 7. The two died Sunday after they were pulled from the waters of a neighbor’s uncovered above ground pool in Central Islip, police said.

04/15/2013