The Insight of the Iranian Embassy siege

In 1980, a terrorist attack grazed the country of Britain. This attack then spurred out to be a one of a kind rescue mission carried out by the S.A.S (Special Air Service). What happened inside the Iranian Embassy that was shot live in almost the entire world, Making it one of the most documented raids. What actually happened in all those 6 days? What actually happened inside the building when the assault was carried out? And what actually made the S.A.S a feared identity in the crime organization? We will find out...