By Jamal Shahid ISLAMABAD, March 9: Breaches in the 15km-long and 60 metre-deep lake that was formed after a landslide in Hunza could wreak havoc all the way down to Tarbela dam. Fearing a disaster, the environment ministry has called for preparation of an emergency plan to cope with a possible flood which may affect the population and infrastructure along the Hunza/Indus river valley from Attabad to Tarbela. “Preparations must start immediately,” the ministry said.…