The files clearly show that British planners in Santiago and London totally welcomed the coup [in Chile] and immediately set about conducting good relations with the military rulers as repression increased, even secretly conniving with the junta to mislead the British public.
British officials were completely aware of the scale of atrocities. Three days after the coup, Ambassador Seconde reported to the Foreign Office that ‘it is likely that casualties run into the thousands, certainly it has been far from a bloodless coup’. Six days after, he noted that ‘stories of military excesses and mounting casualties have begun increasingly to circulate. The extent of the bloodshed has shocked people’.