AYER, MASS. (WHDH) - A 19-year-old who was pulled from Sandy Pond Beach in Ayer on Saturday afternoon has died, officials said.Emergency crews responded to<a class="excerpt-read-more" href="https://whdh.com/news/19-year-old-swimmer-dies-after-being-pulled-from-sandy-pond-beach-in-ayer/">Read More</a>