Stormont Agriculture Minister Edwin Poots has defended his decision to suspend post-Brexit checks at Northern Ireland ports earlier this year.
Mr Poots said he was “very concerned” about the risk to staff.
It comes as food prices are set to soar post-Brexit.
M&S expects to pay between £42 million and £47 million in additional costs this year, versus £16 million in 2020.
Speaking to the Daily Telegraph, BRC chief executive Helen Dickinson said that is likely to drive up UK food prices later this year.
She commented: “Global food prices are currently at their highest in seven years, shipping costs have risen threefold since 2019, and commodity prices are climbing.
Crimestoppers
Giving evidence to the Stormont Agriculture Committee on Thursday morning, Mr Poots claimed that the independent charity Crimestoppers received a report from a “coded source”.
He said he was made aware of this during a telephone conversation with Assistant Chief Constable Barbara Gray.
Mr Poots claimed the PSNI did not share that information with Belfast City Council or Mid and East Antrim Council which as well as his department had staff working at the ports of Belfast and Larne.
Coded threat
“That was actually a coded threat and that caused me much more concern because of the fact there was a code with that threat,” he told MLAs.
“I was really annoyed to be quite frank that that material was not shared with Belfast and Mid and East Antrim Council by the police because I think that they have a duty to ensure that the councils, who have that duty of care to their staff, are fully aware of everything that is going on and therefore it struck me that that sort of material should not have been with held from the councils at that point.”
Mr Poots contended there was a “whole series of events” which led him to conclude they could not guarantee the safety of staff.
The Stormont agriculture committee has been examining the decision by the Department of Agriculture and the two councils to temporarily withdraw staff from February 1.
Tension
It came amid tension among unionists and loyalists at additional checks on goods arriving into ports from Great Britain as part of the Brexit protocol.
The decision to withdraw staff sparked a row with some political parties questioning the veracity of the threat level against port staff.
Police said loyalist paramilitaries were not behind alleged threats to port staff.
Mr Poots also criticised the Agriculture Committee during his appearance on Thursday, claiming they were conducting a “politically motivated and politically driven inquiry”.
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