In a significant escalation of diplomatic tension between the two neighboring nations, India’s Ministry of External Affairs officially summoned the Charge d'Affaires of the High Commission of Pakistan in New Delhi to lodge a stern diplomatic protest. The formal demarche was issued following an incident at sea where Pakistani naval units exhibited highly unprofessional and aggressive maneuvers, culminating in a direct physical collision with an Indian naval vessel operating in international waters. Indian foreign policy officials characterized the maritime confrontation as an unacceptable breach of international navigation safety protocols and maritime codes of conduct, demanding a thorough administrative investigation from Islamabad. Senior defense strategists noted that high-seas collisions caused by dangerous navigational tactics risk sparking wider regional security friction across sensitive oceanic transit routes. The Indian Navy has reinforced its maritime surveillance patrols across regional sea lines of communication, while diplomatic authorities reiterated that future unprofessional provocations will face firm defensive measures alongside immediate international exposure across global maritime security forums. Diplomatic Friction Follows High-Speed Naval IncidentIndia's Ministry of External Affairs (MEA) summoned Pakistan's Chargé d'Affaires, Saad Warraich, to lodge a formal demarche over an "unacceptable and unprofessional" high-seas collision in the North Arabian Sea. According to defense officials, the incident occurred approximately 120 nautical miles from the Gulf of Oman when a Pakistan Navy vessel—identified by defense sources as the Yarmook-class corvette PNS Hunain—approached a frontline Indian Navy warship on routine surveillance duty at high speed. The unsafe close-range maneuver resulted in the vessels grazing each other.High-Seas Collision & Diplomatic Response SummaryIncident ParameterOfficial Details & Operational MetricsDate & LocationSeptember 15, 2026 | International Waters, North Arabian SeaVessels InvolvedIndian Navy Frontline Warship vs. Pakistan Navy Corvette (PNS Hunain)Key ViolationArticle 10 of the 1991 Bilateral AgreementPrescribed Buffer DistanceMinimum 3 Nautical Miles (NMs) separation in international watersDamage & CasualtiesNo major structural damage to Indian unit; PNS Hunain returned to portDiplomatic ActionPakistan's Chargé d'Affaires summoned in New Delhi; parallel demarche in IslamabadDirect Violation of the 1991 Bilateral Maritime AccordIn its official statement, New Delhi emphasized that the Pakistani warship's actions directly violated Article 10 of the Agreement between India and Pakistan on Advance Notice on Military Exercises, Manoeuvres and Troops Movements signed in April 1991. Under Article 10, naval vessels and submarines of either nation are explicitly mandated to maintain a buffer distance of at least 3 nautical miles (approx. 5.5 km) from one another while operating in international waters to avoid collisions and accidental escalation.Reciprocal Claims and Regional Maritime VigilanceWhile the Indian warship sustained no severe operational damage and remained deployed on its surveillance grid, sources indicated PNS Hunain suffered minor hull damage and returned to its home base. In response to New Delhi's demarche, Pakistan's Foreign Ministry summoned India's Chargé d'Affaires in Islamabad, claiming the incident took place within its Exclusive Economic Zone during its SEASPARK-26 exercise and alleging aggressive maneuvers by the Indian vessel. Indian defense officials reiterated that naval units must strictly observe established safety distance protocols to prevent dangerous high-seas miscalculations.