"The US is confident that the government of Pakistan is well aware of its responsibilities and has secured its nuclear arsenal accordingly," State Department spokesperson Jen Psaki said on Wednesday.

"While there is room for improvement in the security of any country's nuclear programmes, Pakistan has a professional and dedicated security force that fully understands the importance of nuclear security," she said.

The Pakistani assurance following a report that the US was worried that Islamist extremists could seize components of Pakistan's nuclear stockpile or trigger a war with India. A leading newspaper had reported that the US had ramped up surveillance of Pakistan's nuclear arms.

The State Department said that the US recognized the fact that Pakistan was fully engaged with the international community on nuclear safety and security issues.

"Pakistan is a state party to both Chemical Weapons Convention and Biological Weapons Convention and is a partner in the Global Initiative to Combat Nuclear Terrorism," it said.

(Agencies)

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