Pakistan political instability raises nuclear risk

By Kristin Roberts

WASHINGTON (Reuters) - Pentagon officials say Pakistan's nuclear arsenal is secure in military hands, but some U.S. lawmakers and experts warn that nuclear material and designs could leak out if political instability persists.

Pakistan's president, Gen. Pervez Musharraf, has concentrated control over the entire nuclear program.

But a decline in his support within the military amid the current political crisis raises a risk that control over the weapons could weaken. That could open the door to theft or sale of weapons material to extremist groups, some experts say.

Some weapons experts and U.S. officials still suspect Pakistan's military of at least knowing about the smuggling activities of Pakistan's A.Q. Khan network that sold weapons technology to Iran, North Korea and Libya.

"This is a country that's leaked nuclear weapons designs, centrifuges," said David Albright, president of the Institute for Science and International Security. "Two of its scientists talked to (Osama) bin Laden about how to make nuclear weapons in 2001."

"It's a system that's leaked very dangerous information," he said. "You have to worry about the integrity of the system in a period of growing instability."

A senior U.S. general this week said the Pentagon was worried about the security of Pakistan nuclear weapons after Musharraf declared a state of emergency on Saturday, prompting protests and arrests.

But on Thursday, other U.S. defence officials back-pedalled, saying the weapons are under the military's full control. They said the Pakistani military was a responsible steward of the arsenal and would stay out of the current political conflict.