More than 100 sewage leaks discovered in government buildings in past year

Unions say civil servants' health endangered as legionella and insect infestations also reported

Trade unions have called for a safer working environment for civil servants after it emerged that legionella, insect infestations and more than 100 sewage leaks were discovered in government buildings in the past year.

There have been 138 sewage leaks in the past 12 months in Whitehall and Ministry of Defence sites across England.