A whopping 175kg of explosives were used by an expert team to bring down four separate structures in a matter of seconds.
After the dust has settled the view from Seaton Carew will look very different.
The moment was captured on camera by Mail photographer Frank Reid.
Scroll on for a selection of his pictures and those taken from the site itself.
1. Final moments
The blast furnace still standing just moments before it was demolished. Photo: Frank Reid
2. Explosives go off
The flash of orange could be seen from several miles away at Seaton Carew. Photo: Frank Reid
3. Down in seconds
Detonations rip through the structure as people watch on Seaton beach. Photo: Frank Reid
4. Big bang
Another view of the moment of detonation taken from the site. Photo: Third party
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