BREAKING NEWS ALERT A Maryland sheriff says 3 people have been killed after a shooting at a business park, and authorities are searching for the suspect. Two people were wounded, the sheriff said. The Harford County Sheriff's Office said the shooting was reported at the Emmorton Business Park in Edgewood. No other details were immediately released. To read the full story, visit: www.BostonGlobe.com. [We need more guns]