By Lee Moran Last updated at 4:59 PM on 29th November 2011 This satellite image shows the devastation caused by a mysterious blast at an Iranian missile base earlier this month. Its buildings are destroyed, mountains of debris are scattered in courtyards and roads are severely damaged. Iranian authorities claimed the November 12 explosion, which killed 17 at the Revolutionary Guard compound 25 miles east of the capital of Tehran, was caused by 'an accident' when ammunition was being moved. Devastated: This satellite image shows the destruction caused by the November 12 blast Before: This is the missile base pictured before it was devastated in a blast on November 12
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Aerial photo shows buildings wiped out in November 12 incident
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Western city of Isfahan rocked by blast on Monday
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Authorities put latest blast down to a 'military drill'
Now, with a further blast yesterday in the western city of @placeholder, observers are questioning the competence of those in charge of the country's missile programme.