More than two thousand firefighters in this area joined today's four-hour strike over changes to their pensions.
Chief fire officers put in contingency plans in every county and warned of slower response times but no major incidents were reported.
The Fire Brigades Union says the proposed changes mean crews may still be on the frontline fighting fires at the age of sixty - and that would put lives at risk.
Luke Farrington has more.
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Mainly dry with variable amounts of cloud and bright spells across the east. Cloudier towards Cambridgeshire with showery rain possible.