This combination of May 7, 2013 and April 10, 2014 photos shows Kevin Brown placing a Teddy bear at a makeshift memorial near the Boston Marathon finish line in Copley Square, and people walking through the same square at lunchtime nearly a year later in Boston. (AP Photo/Steven Senne)

Revisiting Boston bombing sites

A year after three people were killed and more than 260 injured when two bombs went off near the finish line of the Boston Marathon on April…

Bus crash

PHOTOS: Bus crash kills 10 in California

The California Highway Patrol says the drivers of a FedEx delivery truck and a bus carrying high school students on a college visit are amon…