10 labourers missing in tunnel collapse at Khooni Nala. 10 labourers missing in tunnel collapse at Khooni Nala Jammu–Srinagar National Highway in the Makerkote area of Ramban, rescue operation underway: J&K Disaster Management Authority. A part of an under-construction tunnel collapsed at Khooni Nala, Jammu–Srinagar National Highway in the Makerkote area of Ramban. 6 to