Lahore, Apr. 26 : Former Pakistan High Commissioner to Britain Akbar Ahmad has said that it is very important for Islamabad to safeguard the tribal regions along the Afghan border because once this territory caves in to the hands of the extremists, the task to prevent the whole country from being toppled over by the insurgents would become much more difficult.
"If you lose them, then you lose Pakistan, followed by Afghanistan, The Daily Times quoted Ahmad, as saying.
Ahmed, however said that the `existential threat' to Pakistan is overrated.