Concerns for staff safety has resulted in the suspension of post-Brexit animal-based food checks at Larne and Belfast ports.
It comes after graffiti opposing the Irish Sea border was painted in some loyalist areas of Northern Ireland in recent days.
Mid and East Antrim Council withdrew staff from Brexit inspection duties at Larne Port earlier this week following an "upsurge in sinister and menacing behaviour".
Irish Coast Guard, RNLI and Water Safety Ireland urge everyone to 'Unite to Turn the Tide
Bray Wanderers Head To Cobh Amid Apparent Cross-Channel Interest In Seagulls Talent
New Laws Boost Protection In Wicklow Mountains National Park
Woman Dies In Waters At Wicklow Beach
Wicklow Housing Remains Ireland's Most Expensive Outside Dublin