Details are sketchy right now, but officials say most of the suspicious activity occurred between 11 last night and three this morning.
According to police they received a call of a sexual assault at Fitzgerald's around two this morning.
There was also a large fight at the intersection of 4th and Virginia Street.
Reportedly one man was armed with a handgun and several arrests were made.
There was another report of a fight.
This one at the Bubinga Lounge in the El Dorado, which allegedly had to be broken up by police.
And finally, there were two separate armed robberies.
One just outside the Sands and the other in another downtown location and that victim was knocked in the head unconscious.