Following India's recent precision strikes under Operation Sindoor, speculation has surged on social media space regarding a potential nuclear radiation leak from Pakistan's Kirana Hills region. While India has denied targeting the sensitive area, and no official confirmation of a radiation emergency has been issued by Pakistani or international authorities, the situation remains shrouded in uncertainty, fueled by unverified reports and the unusual deployment of a specialized US aircraft.

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As of today, 13 May 2025, there are no confirmed reports of widespread medical emergencies in Pakistan indicative of a high-level nuclear radiation leak. Although Indian military action did occur in the vicinity of potential Pakistani nuclear storage sites like Kirana Hills, neither the International Atomic Energy Agency (IAEA) nor Pakistani officials have corroborated claims of a nuclear crisis.

Adding a layer of intrigue, the United States reportedly deployed a radiation monitoring aircraft over the region. While this suggests a degree of caution and monitoring, it does not necessarily indicate an active or confirmed radiation emergency. Reports circulating online alleging a rapid spread of radiation appear to be exaggerated at this time.

Kirana Hills: A strategic fortified zone

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Kirana Hills, located in Pakistan's Sargodha district, is a heavily fortified military zone of significant strategic importance. It is believed to house over ten underground tunnels, with widespread speculation suggesting these tunnels are used for the storage of Pakistan's nuclear warheads. Its proximity to key military installations, including the Sargodha Air Base (approximately 20 km away) and the Khushab nuclear complex (around 75 km distant), underscores its sensitive nature.

The Indian Air Force (IAF) has vehemently denied targeting Kirana Hills during Operation Sindoor. Air Marshal AK Bharti explicitly stated, "We have not hit Kirana Hills -- whatever is there." India maintains that its strikes were solely focused on military targets and terrorist infrastructure within Pakistan.

Genesis of the leak rumour

The rumours of a radiation leak appear to have originated from claims that the Indian strikes occurred near Sargodha, in the vicinity of Kirana Hills. These claims were further amplified by unconfirmed reports of US and Egyptian aircraft being deployed to monitor the area. However, no official confirmation regarding the deployment or purpose of these aircraft has been issued by US agencies.

Unsubstantiated reports also suggest a BrahMos missile may have been used in an attack near Kirana Hills. Despite these claims, the assertion that India directly targeted Pakistan's nuclear facility at Kirana Hills lacks credible supporting evidence.

Adding a significant element of concern is the reported presence of a Beechcraft B350 AMS aircraft in Pakistani airspace. This aircraft belongs to the US Department of Energy and is part of the Aerial Measuring System (AMS), a highly specialized program designed for nuclear emergency response. Its primary function is to detect radiation leaks, map nuclear fallout, and provide support during radiological events. This is not a routine military or passenger aircraft.

The timing of its alleged appearance, following India's deep strikes on multiple Pakistani airbases, including Mushaf in Sargodha, near Kirana Hills, raised eyebrows. This particular aircraft type has a history of deployment in significant nuclear events, including after the Fukushima disaster, during nuclear exercises, and for post-blast monitoring during US nuclear testing. Its deployment abroad is rare and typically requires diplomatic clearance and a clear purpose.

Capabilities of the B350 AMS

Equipped with sophisticated gamma ray sensors, real-time data transmission capabilities, and advanced mapping tools, the B350 AMS can conduct low-altitude, slow-speed flights to analyze the spread of radioactive materials. It is operated by highly-trained specialists capable of identifying specific radioactive isotopes in the air and on the ground.

In the past, this aircraft has been crucial for monitoring fallout from nuclear accidents, providing vital data to first responders and military command, and assisting in post-strike nuclear safety verification.

While Pakistan has not officially acknowledged the presence of the US aircraft, flight tracking data from platforms like Flightradar24 reportedly showed a B350 AMS variant, tail number N111SZ, briefly within Pakistani airspace. Interestingly, some open-source intelligence analysts have pointed out that this tail number previously belonged to a US aircraft transferred to Pakistan's Army Aviation in 2010.

This revelation presents two possible scenarios: either Pakistan, fearing radiation exposure, deployed its own (formerly US) nuclear response aircraft, or the aircraft was deployed in coordination with the US to assess potential nuclear damage.

Regardless of the ownership, the activation of a nuclear emergency response aircraft in this context suggests a level of internal concern and lends credence to the possibility that a strategically sensitive site like Kirana Hills may have been affected, even if not directly targeted. Either way, the international community will be closely watching for any further developments or official statements that could shed light on the true situation on the ground.