The page on “cluster munitions” on the US State Department’s website has been deleted and archived following Donald Trump’s inauguration.

It set out US policy on cluster bombs, an explosive weapon which releases small bomblets over a wider area.

Due to their extraordinary risk to civilians, cluster bombs were banned in 2010 in an international treaty signed by more than 100 states, including the UK.

The Convention on Cluster Munitions prohibits all use, stockpiling, production and transfer of cluster bombs but the US, along with Russia, China and Saudi Arabia are not signed up to the convention.

She tweeted a link to the page, which now displays a “We’re sorry, that page can’t be found” message and referred to a previous tweet from last February, which included a link and a screengrab of the page on the State Department's website.

The page, which can now be found on the State Department’s archive for the years 2001 to 2009, includes a number of policy documents and statement from UN meetings in Geneva between 2007 and 2008 referring to the US’ position on cluster munitions and concerns over the weapons’ “humanitarian impact”.

It read: “Cluster munitions have demonstrated military utility. Their elimination from US stockpiles would put the lives of its soldiers and those of its coalition partners at risk. The following documents describe the United States position on cluster munitions, which carefully balances humanitarian and legitimate military considerations.”

The full text of the Cluster Munitions policy adopted in 2008 has also been archived from the Defense Department’s website.

According to the 2008 policy, the military is expected to stop using cluster munitions altogether by 2018.

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A spokesman from the State Department said the page has been archived following standard procedures for old material and had taken place in the same way for the Clinton, Bush and Obama administrations.

He said: “Content that remains on state.gov includes, but is not limited to, the functions and operations of the department information, Congressionally-mandated reports, e.g., TIP, HRR, and IRF, and collections of official documents, such as legal treaties and air transport agreements. New items created by the Trump Administration will be posted to state.gov.‎”

The State Department’s website continues to hold documents, which are much older than 2007 and date as far back as 2000.