Contingency crews are on duty in East Sussex and Brighton and Hove as members of the Fire Brigades Union take industrial action.
The strike is part of the national dispute over pensions. The strike began at 9am on 12 June 2014 and will end at 9am on 13 June 2014.
As of 11.45am we have not attended any incidents.
We received two calls to fire alarms which were false alarms.
A further update will be published on our website at 17.00.
Learn more about Staying Safe on our website: www.esfrs.org/about_us/industrialaction.shtml