MANHATTAN, Kan. (WIBW) -- Riley County police are investigating the rape of a four-year-old girl.

Officials say the alleged sexual assault occurred in the northeast part of Manhattan “sometime during Thanksgiving week” and it was reported Monday, December 3, 2012 at 1 PM to police.

The suspect is known to the victim, police said.

No other details are being released due to the nature of the crime.