Nukes could be hijacked by radicals, warns Pak scientist

"Pakistan started developing its nuclear weapons only because India embarked on it. India has remained primary enemy. But to some extent that perception is changing, with Gen Kayani [Chief of Pakistani Army Staff] recently saying that Pakistan's major challenge is the enemy within.

So there seems to be a doctrinal shift within the army but Kayani himself is under attack within the forces," said Hoodbhoy, who admits receiving threats against his own life.

"Jihadists still operate within Pakistan and the state's policy regarding Islamists has been a confused one," added Hoodbhoy, a visiting professor in the physics department at Lahore University of Management Sciences (LUMS)

He is known for speaking out against the Pak's nuclear establishment.

He is now even sceptical of the peaceful uses of nuclear technology in India and Pakistan.

"Whether electricity generated from nuclear sources is really efficient is a big question mark.

"The construction of nuclear reactors is very expensive and should an accident similar to Japan's Fukushima disaster in 2011 were to occur in India or Pakistan, both countries may not have the capacity to deal with it the same way," he added.

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