article_snippet: The dramatic collapse came after a five-minute warning siren which had sounded out across the four-acre site, warning the hundreds of locals who had gathered for the occasion that the demolition was about to take place.
article_snippet: the demolition was heralded by a five-minute warning siren which sounded out across the area before Blast took place .
article_snippet: An audible gasp then spread across the crowd as a series of loud bangs and rumbling echoed around the area, prompting car alarms to spontaneously go off nearby.
article_snippet: The £5m operation had also seen residents evacuated from more than 400 nearby homes, as a precaution.
article_snippet: It was incredible to see It come down so quickly and cleanly, there were lots of gasps from the young ones watching.
highlights_snippet: Blast watched by hundreds of locals who gathered at the scene, while hundreds more watched live-streamed event .