MPR says Hennepin County is putting new rules into effect Monday to prohibit protesters from sleeping on the plaza in downtown Minneapolis, taping signs to county property or leaving personal items unattended.

The American Civil Liberties Union is accusing Hennepin County officials of issuing a rash of trespass notices to force OccupyMN protesters off Government Plaza. The county denies that claim and says it has only handed out trespass notices to some individuals because of misconduct.

Minneapolis protesters set up tents outside the Hennepin County Government Center Saturday night despite a ban from city officials earlier in the week. Hennepin County does not allow tents on government center property.

The demonstration is expected to be similar to the Occupy Wall Street protest in New York -- which calls for the end of corporate greed. Organizers of the protest say they're planning for a long-term occupation of Government Plaza in front of the Hennepin County Government Center.

Dozens of activists have occupied the Hennepin County Government Plaza since last month. But last week, new rules went into effect that prohibited protesters from posting signs or sleeping on country grounds.

It was Day Two Saturday of OccupyMN -- a protest that condemns Wall Street corporate power and lobbyists' influence over government. About 300 protesters filled the Hennepin County Government Center plaza by late afternoon.

A woman participating in the OccupyMN movement said she was sexually assaulted early Friday morning at Peavey Plaza in downtown Minneapolis. The woman told Minneapolis police she thought the man who assaulted her was also part of the movement.

State labor organizations joined ranks Saturday with demonstrators at the Hennepin County Government plaza in Minneapolis. OccupyMN has been protesting corporate greed since the start of October.