South Yorkshire Police have cordoned off Matilda Street and surrounding roads, following discovery of a World War II munition on a construction site. The same area was sealed off last week when three explosives were found by builders. A South Yorkshire Police spokeswoman said: “Officers are currently in Matilda Street, Sheffield, after a device, believed to be World War II munition, was discovered during construction work. “Police were called at around 9.30am this morning.” The site has been secured by police, who are liaising with the military explosive ordinance disposal unit.