A 70-year-old man opened fire at an office
complex in Phoenix, Ariz., killing one person and wounding two
before fleeing in a car.
Police warned the public to be on the lookout for Arthur Douglas Harmon, whom they described as "armed and dangerous."
"We believe that there was some type of meeting concerning some pending litigation," Phoenix Police Sergeant Tommy Thompson told ABCNews.com. "There was an altercation after the meeting had concluded."
In Midland City, Ala., Jimmy Lee Dykes, 65, was holding a 6-year-old autistic boy at gunpoint for the second day after commandeering a school bus and killing the driver on Tuesday.
Dykes was holed up late Wednesday in an underground bunker on his property. Local reports identified him as connected to an anti-government survivalist movement.
He had been scheduled to appear in court on Wednesday for pointing a gun a residents in connected with a dispute over his property, according to website AL.com.
The incidents occurred as national attention was focused on gun crime in the United States, with former US representative Gabrielle Giffords, who was gravely wounded at a political meeting in 2011, testifying Wednesday to a Senate committee about the need for tighter regulation of weapons.
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