Howard County police discovered fragments from a detonated pipe bomb on a parking lot at Waverly Elementary School in Ellicott City this week, days after arsonists set the school's playground equipment ablaze.
A police officer investigating the Friday playground fire found the bomb fragments about noon Tuesday.
Later Tuesday, police arrested two 14-year-old Ellicott City boys in connection with the playground fire, according to Sgt. Steven Keller, a police spokesman. He said there did not appear to be any connection between the two incidents.
Keller said the boys were charged with malicious burning and have been released to the custody of their parents.
According to Keller, the fragments found Tuesday probably came from a homemade explosive device, though there were no reports of an explosion from students or neighbors that day.
The school showed no damage, Keller said.
Police said the playground fire -- which caused about $2,000 damage to a metal step and a bridge play set with poles for swinging -- was started when someone doused playground equipment with a flammable liquid and set it on fire.
Officials from the Maryland state fire marshal's office have taken the pipe fragments to a laboratory for analysis.
Keller said the investigation was continuing.
Pub Date: 4/10/97