10:30 PM PT -- Cops say the 2-year-old was with his parents and siblings wading in about a foot of water when the attack happened. A rep for the Orange County Sheriff's Department says the boy's father tried rescuing the child from the gator but was unsuccessful and suffered minor injuries. Cops say there are "no swimming" signs posted around the lagoon. It's estimated the gator was between 4-7 ft. long.
A rep for Disney added, "Everyone here at Walt Disney Resort is devastated by this tragic accident. Our priority is the family and we are doing everything we can to help law enforcement." The family was staying at the resort on vacation from Nebraska.
Florida Fish and Wildlife is currently trying to locate and trap the gator.
A 2-year-old child was snatched by an alligator and dragged into a lagoon at Disney's Grand Floridian Resort & Spa in Orlando, officials say ... and now cops are desperately searching the water.
Officials say the attack occurred around 9:30 PM Tuesday ... when the gator pulled the child into the Seven Seas Lagoon -- a man-made lake located between the resort and Walt Disney World.