Fire Brigades Union members across the region will be out on strike once again this evening.
Tonight's strike takes place between 7pm and midnight.
Further action is planned for New Year's Eve and New Year's Day, in an ongoing dispute over pension reforms.
Parents of children at a school in Essex which was destroyed by fire over the weekend have started a fundraising campaign to help rebuild it.
The start of term has been delayed for nearly 300 pupils at John Ray Infant School in Braintee because of the blaze.
Essex County Council has pledged to rebuild the school "as soon as possible" and alternative arrangements are being made for children to make sure they do not miss too many lessons.
An investigation into the fire has found it was started accidentally.
Essex County Council has pledged to rebuild a school in Essex 'as soon as possible' after it was destroyed by fire.
More than 280 children will face a delayed start to the new term after the fire at John Ray Infant School in Braintree.
Click below to watch Luke Farrington's report.
ITV News Anglia has been given exclusive aerial footage of a fire which destroyed the John Ray Infant School in Braintree in Essex. It was filmed by redcarpetvideo.co.uk.
Click below to watch aerial footage of the fire.
ITV News Anglia has been given exclusive aerial pictures of the fire which destroyed the John Ray Primary School in Braintree in Essex. They were taken by Brian Abram of www.redcarpetvideo.co.uk.
The fire which destroyed the John Ray Infant School in Braintree yesterday (Saturday) was caught on camera by Anglia viewers Yvette Worth and Ray Lavidge.
Click below to watch eyewitness footage of the fire.
Essex County Council has said the John Ray Infant School in Braintree will not be open next week after it was destroyed by fire.
Councillors have met to decide on temporary accommodation for the school as soon possible. However, the school will not be able to open on Tuesday September 3 as planned.
Cllr Ray Gooding, Cabinet Member for Education and Lifelong Learning, said: "I am very sad for the community as this very fine school has lost its building.
"The school has excellent leadership and I have every confidence that once we can arrange temporary accommodation they will continue to provide very good education.
"I am also immediately looking into plans for a properly rebuilt school and will be working with the school leadership on this."
The headteacher of the John Ray Infant School in Braintree has spoken of her shock after her school was burnt down.
Headteacher Sandra Way said: "I was incredibly saddened and shocked by the fire on Saturday and am disappointed that there will be a delay to the start of the new term.
"We will be working closely with the district and county council to ensure we can start the new school year as soon as possible."
Two building contractors working on the Essex infant school which went up in flames have been treated by the ambulance service.
The workers at the John Ray Infant School in Braintree were treated by paramedics yesterday (Saturday) for the affects of breathing in smoke.