A pipe bomb exploded early yesterday in a North Linthicum industrial park, causing minor damage to the office of an alarm service, county fire officials said.
Investigators said the 5:18 a.m. explosion damaged the roof of the Wells Fargo Alarm Services office in the 800 block of Barkwood Court, in the Patapsco Industrial Park. No one was hurt. The park is off Nursery Road west of the Baltimore-Washington Parkway.