The unexploded ordnance, discovered during a site renovation, were described as “practice bombs” that still carry a charge and must be removed by professionals.

Over 160 unexploded practice bombs dating all the way back to World War II have been discovered underneath a children’s playground in the United Kingdom, officials said.

A playground expansion in a small England town turned up a massive stockpile of unexploded World War II-era "practice" bombs. The first bomb was uncovered on Jan. 14 in Wooler, England, during construction work to add a £150,