Planning for Boston Marathon security included bombing scenario

CAMBRIDGE, Massachusetts (Reuters) - The security planning for last week's Boston Marathon, where two bombs went off killing three people and wounding 264, included preparation for such an emergency, a top Massachusetts public safety official said on Wednesday.

"We spend months planning for the marathon. We did a tabletop exercise the week before that included a bombing scenario in it," Kurt Schwartz, the state's undersecretary for homeland security, told a panel at Harvard University.