A 500-pound "live bomb" explodes on a target at the U.S. Navy Pinecastle Range Complex in the Ocala National Forest, north of Altoona. Here's a few things to know about the training. What's the ...

Portland police say pipe bomb caused big boom. Updated: Mar. 29, 2010, 11:56 p.m. ... This was the second time this month that the city has been rocked by a big boom that fueled worry, ...

"It sounded like a bomb going off. ... Nudi was outside his vehicle taking a report at Route 41 and Stearns School Road near Wadsworth when he heard "one big boom." ...