Ferguson, MO- KFVS12 is reporting that Missouri Gov. Jay Nixon has declared a state of emergency and has activated the National Guard in advance of the announcement of the Grand Jury’s decision of whether Ferguson Officer Darren Wilson will be charged in the August shooting of Michael Brown. The state of emergency will last 30 days.

Nixon said that the National Guard will assist local and state police. In his executive order, he cited “possibility of expanded unrest.” Nixon acknowledged that people have the right to peacefully protest, but said the state must protect businesses and citizens from harm.

There has been no time or date provided for the Grand Jury’s announcement.

Ben Swann recently reported from Ferguson. Watch Swann’s report below.