 The fire services have undergone significant changes since the beginning of the 21st century, a process that has been propelled by a devolution of central government powers, new legislation and a change to operational procedures in the light of terrorism attacks and threats.Fire services are established and granted their powers under fairly new legislation which has replaced a number of Acts of Parliament dating back more than 60 years, but is still undergoing change; a rough timeline can be seen below.In 2002, there was a series of national fire strikes, with much of the discontent caused by the aforementioned report into the fire service conducted by Prof Sir George Bain.