Washington, D.C., police said they are investigating Rep. Cory Mills, R-Fla., over a report of an alleged assault at an apartment building this week.

Rep. Cory Mills, a Republican, was booked with simple assault on around 1:15 p.m. Wednesday. MPD arrested the congressman at an apartment unit on Maryland Avenue Southwest. "This is an active criminal investigation and there is no further information on the case to provide at this time," Police spokesman Tom Lynch said.