Excess levels of radiation have been recorded in Chernobyl after Russian troops took control of the city in Ukraine.
The State Inspectorate for Nuclear Regulation of Ukraine (SINR) were unable to identify a reason for the increasing radiation following their initial report.
The breach has since been linked to the movement of a "large number of heavy military equipment" through the exclusion zone. However, the allegation of an increase in gamma levels has been denied by Russian officials.
Follow live updates from Ukraine here
It was added that paratroopers would be deplored to guard the Chernobyl nuclear reactor, reports the Mirror.
Posting on its Facebook page, the SINR said: "Data from the automated radiation monitoring system of the exclusion zone, which is available online, indicate that the control levels of gamma radiation dose rate (red dots) have been exceeded at a significant number of observation points.
"But now it is currently impossible to establish the reasons for the change in the radiation background in the exclusion zone because of the occupation and military fight in this territory."
In a later post, they added: "Such a fluctuation in the Askro sensor indicators, Ecocentre experts link to a breach of the upper layer of ground as a result of the movement of a large number of heavy military equipment through the exclusion zone and lifting of air contaminated radioactive dust.
"The state of nuclear installations and other objects of the CAEC - without changes."
A spokesman for Russia's defence ministry refuted these claims, adding that troops were being deployed to stand guard of the closed power plant.
"Radiation levels at the plant are normal," he told a briefing on Friday, February 25.
To get the latest WalesOnline newsletters emailed to you directly for free click here.
