According to Firearm Chronicles
The mayor of Champaign, Illinois has signed a declaration of a local emergency that she claims gives her the power to ban the sale of firearms and ammunition, as well as seize private property and ban the sale of food, water, fuel, and clothing.
Katie Pavlich at Townhall has more details on the order, which seems to violate the Constitution in any number of ways. Check out some of the powers the mayor has granted to herself. (2) Order a general curfew applicable to such geographical areas of the City or to the City as a whole, as the Mayor deems advisable, and applicable during such hours of the day or night as the Mayor deems necessary in the interest of public safety and welfare. (3) Order the closing of all retail liquor stores, including taverns and private clubs or portions thereof wherein the consumption of intoxicating liquor and beer is permitted; (4) Order the discontinuance of the sale of alcoholic liquor by any wholesaler or retailer; (5) Order the discontinuance of selling, distributing, or giving away gasoline or other liquid flammable or combustible products in any container other than a gasoline tank properly affixed to a motor vehicle; (6) Order the discontinuance of selling, distributing, dispensing or giving away of explosives or explosive agents, firearms or ammunition of any character whatsoever; (7) Order the control, restriction and regulation within the City by rationing, issuing quotas, fixing or freezing prices, allocating the use, sale or distribution of food, fuel, clothing and other commodities, materials, goods or services or the necessities of life;