Students at a prestigious university in the United Kingdom recently unearthed a likely execution pit on the outskirts of town — dating back 1,200 years.

The University of Cambridge announced the discovery, which was found in Wandlebury Country Park south of Cambridge, in a Feb. 4 press release. The excavations took place in the spring and summer of 2025.

The burial dates back to the 9th century A.D., around the time Vikings conquered the area.

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The pit “may date from a time when the area was a ‘frontier zone’ in the conflict between the Saxon-run kingdom of Mercia and the kingdom of East Anglia,” the release noted.

The remains of around 10 young men were found — raising questions about whether the deaths were related to frontier conflict or judicial killings.

“Unusually, the mass grave held a mix of complete and dismembered remains, including a cluster of skulls without clear accompanying bodies and a ‘stack of legs,’ as well as four complete skeletons, some in positions suggesting they were tied up,” said the release.

Two main pieces of evidence suggest the site was an execution pit, said Oscar Aldred, an archaeologist at the Cambridge Archaeological Unit.

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First, there is the location.

“The context of the burial in connection [to] an old Iron Age hillfort … is a prime location for execution burials,” Aldred told Fox News Digital.

Archaeologists discovered the mass grave in Wandlebury Country Park, south of Cambridge, during spring and summer excavations. (Cambridge Archaeological Unit/David Matzliach)

“Execution sites from this period are typically on the edge of a territory, but also in prominent locations in the landscape.”

The second piece of evidence, the archaeologist added, is the proof of beheading.

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At least one skeleton showed “clear signs of having been decapitated” — particularly incisions and chop marks on the left side of the lower jawbone. 

“If this was a battlefield burial, we would expect to see further trauma on the bone, especially arms and legs, related to battle wounds,” Aldred said. 

“In the context of an execution, the setting fits, so to speak.”

“We don’t yet have this information [at] hand because we haven’t fully assessed all the individuals from the burial pit.”

He emphasized the significance of the find, noting it is “not very common at all” to find stacked skulls and limbs next to complete skeletons.

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“[It’s] very interesting,” he noted. “The [deceased] individuals were deposited in the state of decomposition, and therefore were not able to hold together, so to speak.”

Aldred added, “The bone grouping within the burial pit is something we need to work harder on to understand further.”

A depiction of a 9th-century battle involving Mercians is pictured at right. The remains were found near an Iron Age hillfort. (Universal History Archive/Universal Images Group via Getty Images)

Though there’s no proof yet of a battle in Wandlebury, the locale was recorded as a meeting place for “hundreds,” or Anglo-Saxon territorial units.

“It is the kind of place where you might expect judicial assemblies to take place, where people would have met and made important decisions such as execution orders,” Aldred said of the area.

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“So, in the context of an execution, the setting fits, so to speak.”

Researchers are now conducting DNA, isotope and radiocarbon testing to determine who the men were and what year they died.

“The bone grouping within the burial pit is something we need to work harder on to understand further,” said an expert.  (Cambridge Archaeological Unit/David Matzliach)

Aldred added that further analysis will determine why the remains were arranged in this way.

“We’re working with colleagues at the University of Cambridge to take these questions forward,” he said.

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“But for now, we are raising the questions rather than definitively answering them.”