A North Carolina man is dead following a shootout with authorities after opening fire on a mobile home, killing two people. Reuters reports that alleged shooter Andrew Michaelis had argued with his wife prior to the incident. She took shelter at her father's trailer at the Crystal Springs Mobile Home Park. Michaelis allegedly fired a semi-automatic weapon into the trailer, killing his father-in-law, Gary Simpson, and his 10-year-old grandson, Trekwan Covington.

Capitol Police put Congress on lockdown late this morning, terrifying everyone. It didn't last long, though, after police took down a "man with a weapon" outside Senate office buildings. 'Twas a fleeting moment of excitement for poor, overworked Hill staffers.

A man with a gun was seen on an elevator in the Rubloff Building on the university's law school campus, in Chicago. People in the building were told to lock their doors and await word. [SunTimes]

As many as five hostages are currently being held by a gunman in a Post Office in Wytheville, Va. Shots were fired, and the gunman is thought to have five pounds of plastic explosive strapped to his chest. [NYT] Update: