Letter dated 4 January 1983 from the Minister for External Relations of Nicaragua to the Secretary of State of the United States of America I have the honour to address myself to you to denounce the critical situljtion in the frontier area with the sister Republic of 5 [Original: Spanish] [5 January 1983] Honduras caused by the incessant attacks and crimes perpetrated by Somozist counter-revolutionary units against the Nicaraguan popu­ lation and territory. a situation which is made possible only by the economic. military. logistic and propaganda assistance provided by the United States Government to these bands as part of that Gov­ ernment's undeclared war against Nicaragua. On 28 December 1982. at 1'220 hours. a counter-revolutionary band of undetermined size penetrated into Nicaraguan territory and attacked the Agronica estate situated 28 kilometres north-west of Ocotal, in the department of Nueva Segovia. with the· aim of ab­ ducting Nicaraguan peasants engaged in harvesting coffee: that criminal action failed because of the firm response of the Nicaraguan troops. although nine peasants were abducted and taken to Hondu­ ran territory. The next day. 29 December, at 1630 hours. a twin-engined air­ craft of unknown registration travelling from Honduras entered Nicaraguan airspace in the Las Manos sector, flew over the villages ·of Santa Clara and San Fernando. in Nueva Segovia. and immedi­ ately returned to Honduras. On 31 December the following acts of aggression were perpetrated against Nicaragua: I. At 0545 hours, Somozist counter-revolutionaries penetrated to El Naranjo, situated 16 kilometres north-west of Ocotal and 2 kilometres from the border, and attacked Nicaraguan forces in the sector; Nicaraguan citizens Jose Esteban Peralta and Ignacio Esquivel perished in the action. 2. At 0850 hours, counter-revolutionary forces invaded Nicara­ guan territory at the El Roble hill, situated 8.5 kilometres north-west of El Espino, and ·made a series of grenade attacks against the 