India, Aug. 5 -- Security agencies have gathered irrefutable evidence, including government-issued documents from Pakistan and biometric data, confirming that the three slain terrorists involved in the deadly Pahalgam attack were Pakistani nationals, officials said on Monday.

The terrorists, identified as senior operatives of the proscribed Lashkar-e-Taiba (LeT), were killed on July 28 in an encounter with security forces in the Dachigam forest on the outskirts of Srinagar during a counter-terror operation codenamed 'Mahadev'. According to officials, the trio had been hiding in the Dachigam-Harwan forest belt since carrying out the April 22 attack in the Baisaran meadow of Pahalgam, which had claimed 26 lives.

The agencies said evidence...