Is this a new edict that a secondary source has to establish relevant context? It is not in the extensive Wiki rule book. 
So the the Grand Hotel bomb was not an attempt to kill Mrs Thatcher? What crap you spout to confuse O Fenian. Are you such an expert with great military expertise such that you know when no warning bomb is meant to destroy property rther than kill? 
You add any other bits from the article you like. I won't object. I try to elucidate not flatter or justify.